"Symbol","Scientific Name with Author","GSAT Common Name"
"ABFR2","Abronia fragrans Nutt. ex Hook.","snowball sand verbena"
"ABFR3","Abutilon fruticosum Guill. & Perr.","Texas Indian mallow"
"ABRON","Abronia Juss.","sand verbena"
"ABTH","Abutilon theophrasti Medik.","velvetleaf"
"ABUTI","Abutilon Mill.","Indian mallow"
"ACALY","Acalypha L.","copperleaf"
"ACAN","Acacia angustissima (Mill.) Kuntze","prairie acacia"
"ACCA4","Acorus calamus L.","calamus"
"ACER","Acer L.","maple"
"ACGR2","Acalypha gracilens A. Gray","slender threeseed mercury"
"ACHIL","Achillea L.","yarrow"
"ACHNA","Achnatherum P. Beauv.","needlegrass"
"ACHY","Achnatherum hymenoides (Roem. & Schult.) Barkworth","Indian ricegrass"
"ORHY","Oryzopsis hymenoides (Roem. & Schult.) Ricker ex Piper","Indian ricegrass"
"ACMEL","Acmella Rich. ex Pers.","spotflower"
"ACMI2","Achillea millefolium L.","common yarrow"
"ACMIO","Achillea millefolium L. var. occidentalis DC.","western yarrow"
"ACMO4","Acalypha monococca (Engelm. ex A. Gray) Lill. W. Mill. & Gandhi","slender threeseed mercury"
"ACNE2","Acer negundo L.","boxelder"
"ACOP","Acmella oppositifolia (Lam.) R.K. Jansen","oppositeleaf spotflower"
"ACORU","Acorus L.","sweetflag"
"ACPA","Actaea pachypoda Elliott","white baneberry"
"ACRE3","Acroptilon repens (L.) DC.","hardheads"
"ACRU","Acer rubrum L.","red maple"
"ACSA2","Acer saccharinum L.","silver maple"
"ACSA3","Acer saccharum Marshall","sugar maple"
"ACSC11","Achnatherum scribneri (Vasey) Barkworth","Scribner needlegrass"
"ACTAE","Actaea L.","baneberry"
"ACVI","Acalypha virginica L.","Virginia threeseed mercury"
"ADCA","Adiantum capillus-veneris L.","common maidenhair"
"ADIAN","Adiantum L.","maidenhair fern"
"ADPE","Adiantum pedatum L.","northern maidenhair"
"AECY","Aegilops cylindrica Host","jointed goatgrass"
"AEGIL","Aegilops L.","goatgrass"
"AEGL","Aesculus glabra Willd.","Ohio buckeye"
"AEIN","Aeschynomene indica L.","Indian jointvetch"
"AEPA","Aesculus pavia L.","red buckeye"
"AESCH","Aeschynomene L.","jointvetch"
"AESCU","Aesculus L.","buckeye"
"AGALA","Ageratina altissima (L.) R.M. King & H. Rob. var. altissima","white snakeroot"
"AGALI","Agalinis Raf.","false foxglove"
"AGAS2","Agalinis aspera (Douglas ex Benth.) Britton","tall false foxglove"
"AGAST","Agastache Clayton ex Gronov.","giant hyssop"
"AGAU3","Agalinis auriculata (Michx.) S.F. Blake","earleaf false foxglove"
"AGCR","Agropyron cristatum (L.) Gaertn.","crested wheatgrass"
"AGDE6","Agalinis densiflora (Benth.) S.F. Blake","Osage false foxglove"
"AGEL4","Agrostis elliottiana Schult.","Elliott's bentgrass"
"AGERA2","Ageratina Spach","snakeroot"
"AGEX","Agrostis exarata Trin.","spike bentgrass"
"AGFA2","Agalinis fasciculata (Elliott) Raf.","beach false foxglove"
"AGGA","Agalinis gattingeri (Small) Small","roundstem false foxglove"
"AGGI","Agrostemma githago L.","common corncockle"
"AGGI2","Agrostis gigantea Roth","redtop"
"AGHE4","Agalinis heterophylla (Nutt.) Small ex Britton","prairie false foxglove"
"AGHO4","Agalinis homalantha Pennell","San Antonio false foxglove"
"AGHY","Agrostis hyemalis (Walter) Britton, Sterns & Poggenb.","winter bentgrass"
"AGNE2","Agastache nepetoides (L.) Kuntze","yellow giant hyssop"
"AGPA6","Agrimonia parviflora Aiton","harvestlice"
"AGPE","Agrostis perennans (Walter) Tuck.","upland bentgrass"
"AGPU","Agrimonia pubescens Wallr.","soft agrimony"
"AGRO3","Agrimonia rostellata Wallr.","beaked agrimony"
"AGROP2","Agropyron Gaertn.","wheatgrass"
"AGROS","Agrostemma L.","corncockle"
"AGROS2","Agrostis L.","bentgrass"
"AGSK","Agalinis skinneriana (Alph. Wood) Britton","Skinner's false foxglove"
"AGTE3","Agalinis tenuifolia (Vahl) Raf.","slenderleaf false foxglove"
"AGVI5","Agalinis viridis (Small) Pennell","green false foxglove"
"AIAL","Ailanthus altissima (Mill.) Swingle","tree of heaven"
"AICA","Aira caryophyllea L.","silver hairgrass"
"AIEL4","Aira elegans Willd. ex Kunth","annual silver hairgrass"
"AIRA","Aira L.","hairgrass"
"ALAM","Allium ampeloprasum L.","broadleaf wild leek"
"ALAU","Aletris aurea Walter","golden colicroot"
"ALCA3","Allium canadense L.","meadow garlic"
"ALCA4","Alopecurus carolinianus Walter","Carolina foxtail"
"ALCA5","Alternanthera caracasana Kunth","washerwoman"
"ALCAF","Allium canadense L. var. fraseri Ownbey","Fraser meadow garlic"
"ALCAH","Allium canadense L. var. hyacinthoides (Bush) Ownbey & Aase","hyacinth meadow garlic"
"ALDR","Allium drummondii Regel","Drummond's onion"
"ALDR2","Alophia drummondii (Graham) R.C. Foster","propeller flower"
"ALETR","Aletris L.","colicroot"
"ALFA2","Aletris farinosa L.","white colicroot"
"ALGE2","Alopecurus geniculatus L.","water foxtail"
"ALIN","Allionia incarnata L.","trailing windmills"
"ALISM","Alisma L.","water plantain"
"ALJU","Albizia julibrissin Durazz.","silktree"
"ALLIO","Allionia L.","windmills"
"ALLIU","Allium L.","onion"
"ALMA7","Alnus maritima (Marshall) Muhl. ex Nutt.","seaside alder"
"ALNUS","Alnus Mill.","alder"
"ALOPE","Alopecurus L.","foxtail"
"ALPE2","Allium perdulce S.V. Fraser","plains onion"
"ALPE4","Alliaria petiolata (M. Bieb.) Cavara & Grande","garlic mustard"
"ALSA2","Allium sativum L.","cultivated garlic"
"ALSE2","Alnus serrulata (Aiton) Willd.","hazel alder"
"ALST","Allium stellatum Fraser ex Ker Gawl.","autumn onion"
"ALSU","Alisma subcordatum Raf.","American water plantain"
"ALTER2","Alternanthera Forssk.","joyweed"
"ALTR3","Allium tricoccum Aiton","wild leek"
"ALTR7","Alisma triviale Pursh","northern water plantain"
"ALVI","Allium vineale L.","wild garlic"
"ALVIC3","Allium vineale L. ssp. compactum (Thuill.) Coss. & Germ.","compact onion"
"AMAL","Amaranthus albus L.","prostrate pigweed"
"AMAR2","Ambrosia artemisiifolia L.","annual ragweed"
"AMAR3","Amelanchier arborea (Michx. f.) Fernald","common serviceberry"
"AMARA","Amaranthus L.","pigweed"
"AMARA3","Amelanchier arborea (Michx. f.) Fernald var. alabamensis (Britton) G.N. Jones","Alabama serviceberry"
"AMAU2","Ammannia auriculata Willd.","eared redstem"
"AMBI2","Ambrosia bidentata Michx.","lanceleaf ragweed"
"AMBL","Amaranthus blitoides S. Watson","mat amaranth, prostrate pigweed"
"AMBR2","Amphicarpaea bracteata (L.) Fernald","American hogpeanut"
"AMBRO","Ambrosia L.","ragweed"
"AMBU","Ammoselinum butleri (Engelm. ex S. Watson) J.M. Coult. & Rose","Butler's sandparsley"
"AMCA6","Amorpha canescens Pursh","leadplant"
"AMCI","Amsonia ciliata Walter","fringed bluestar"
"AMCIT2","Amsonia ciliata Walter var. texana (A. Gray) J.M. Coult.","Texas bluestar"
"AMCO","Ammannia coccinea Rottb.","valley redstem"
"AMCO2","Ampelopsis cordata Michx.","heartleaf peppervine"
"AMDR","Amphiachyris dracunculoides (DC.) Nutt.","common broomweed, prairie broomweed"
"GUDR2","Gutierrezia dracunculoides (DC.) S.F. Blake","Common broomweed"
"AMELA","Amelanchier Medik.","serviceberry"
"AMFR","Amorpha fruticosa L.","desert false indigo"
"AMFRO2","Amorpha fruticosa L. var. oblongifolia Palmer","Indigobush amorpha"
"AMHU","Amsonia hubrichtii Woodson","Hubricht's bluestar"
"AMIL","Amsonia illustris Woodson","Ozark bluestar"
"AMLA2","Amorpha laevigata Nutt.","smooth false indigo"
"AMLY","Amsinckia lycopsoides Lehm.","tarweed fiddleneck"
"AMMAN","Ammannia L.","redstem"
"AMMOS","Ammoselinum Torr. & A. Gray","sandparsley"
"AMMU","Amianthium muscitoxicum (Walter) A. Gray","flypoison"
"AMNA","Amorpha nana Nutt.","dwarf false indigo"
"AMNI","Amorpha nitens Boynt.","shining false indigo"
"AMORP","Amorpha L.","false indigo"
"AMOU","Amorpha ouachitensis Wilbur","Ouachita false indigo"
"AMPA","Amaranthus palmeri S. Watson","carelessweed"
"AMPA4","Amorpha paniculata Torr. & A. Gray","panicled false indigo"
"AMPHI4","Amphicarpaea Elliott ex Nutt.","hogpeanut"
"AMPHI8","Amphiachyris (A. DC.) Nutt.","broomweed"
"AMPO4","Ammoselinum popei Torr. & A. Gray","plains sandparsley"
"AMPS","Ambrosia psilostachya DC.","western ragweed"
"AMRE","Amaranthus retroflexus L.","redroot pigweed"
"AMRO3","Ammannia robusta Heer & Regel","grand redstem"
"AMSIN","Amsinckia Lehm.","fiddleneck"
"AMSON","Amsonia Walter","bluestar"
"AMSP","Amaranthus spinosus L.","spiny amaranth"
"AMTA2","Amsonia tabernaemontana Walter","eastern bluestar"
"AMTR","Ambrosia trifida L.","giant ragweed"
"ANAGA","Anagallis L.","pimpernel"
"ANAR","Anagallis arvensis L.","scarlet pimpernel"
"ANAR7","Anthoxanthum aristatum Boiss.","annual vernalgrass"
"ANBE","Anemone berlandieri Pritz.","tenpetal thimbleweed"
"ANCA10","Anemopsis californica (Nutt.) Hook. & Arn.","yerba mansa"
"ANCA14","Anthriscus caucalis M. Bieb.","burr chervil"
"ANCA9","Anemone caroliniana Walter","Carolina anemone"
"ANCO2","Anthemis cotula L.","stinking chamomile"
"ANCA45","Androstephium caeruleum (Scheele) Greene, orth. var.","blue funnel lily"
"ANDRO2","Andropogon L.","bluestem"
"ANDRO3","Androsace L.","rockjasmine"
"ANDRO4","Androstephium Torr.","funnel lily"
"ANGE","Andropogon gerardii Vitman","big bluestem"
"ANGL2","Andropogon glomeratus (Walter) Britton, Sterns & Poggenb.","bushy bluestem"
"ANGY2","Andropogon gyrans Ashe","Elliott's bluestem"
"ANHA","Andropogon hallii Hack.","sand bluestem"
"ANMI4","Anagallis minima (L.) Krause","chaffweed"
"ANOC2","Androsace occidentalis Pursh","western rockjasmine"
"ANPA9","Antennaria parlinii Fernald","pussytoes"
"ANTE2","Andropogon ternarius Michx.","splitbeard bluestem"
"ANTHE","Anthemis L.","chamomile"
"ANTHO","Anthoxanthum L.","vernalgrass"
"ANTHR","Anthriscus Pers.","chervil"
"ANVE","Angelica venenosa (Greenway) Fernald","hairy angelica"
"ANVI2","Andropogon virginicus L.","broomsedge bluestem"
"ANVI3","Anemone virginiana L.","tall thimbleweed"
"APAM","Apios americana Medik.","groundnut"
"APAN2","Apocynum androsaemifolium L.","spreading dogbane"
"APCA","Apocynum cannabinum L.","Indianhemp"
"APGR2","Apium graveolens L.","wild celery"
"APHAN3","Aphanostephus DC.","dozedaisy"
"APHAN4","Aphanes L.","parsley piert"
"APHY","Aplectrum hyemale (Muhl. ex Willd.) Torr.","Adam and Eve"
"APIUM","Apium L.","celery"
"APMI","Aphanes microcarpa (Boiss. & Reut.) Rothm.","slender parsley piert"
"APOCY","Apocynum L.","dogbane"
"APPI","Aphanostephus pilosus Buckley","hairy dozedaisy"
"APRA","Aphanostephus ramosissimus DC.","plains dozedaisy"
"APSK","Aphanostephus skirrhobasis (DC.) Trel.","Arkansas dozedaisy"
"AQCA","Aquilegia canadensis L.","red columbine"
"AQUIL","Aquilegia L.","columbine"
"ARABI","Arabidopsis Heynh.","rockcress"
"ARABI2","Arabis L.","rockcress"
"ARAD","Aristida adscensionis L.","sixweeks threeawn"
"ARALI","Aralia L.","spikenard"
"PHPY4","Photinia pyrifolia (Lam.) K.R. Robertson & Phipps","red chokeberry"
"ARAT","Arnoglossum atriplicifolium (L.) H. Rob.","pale Indian plaintain"
"ARBE","Arenaria benthamii Fenzl ex Torr. & A. Gray","hilly sandwort"
"ARCA","Arabis canadensis L.","sicklepod"
"ARCA12","Artemisia campestris L.","field sagewort"
"ARCA14","Artemisia carruthii Alph. Wood ex Carruth.","Carruth's sagewort"
"ARCH3","Arnica chamissonis Less.","Chamisso arnica"
"ARCTI","Arctium L.","burrdock"
"ARDE5","Argyrochosma dealbata (Pursh) Windham","powdery false cloak fern"
"ARDI8","Aruncus dioicus (Walter) Fernald","bride's feathers"
"ARDO4","Arundo donax L.","giant reed"
"ARDR3","Arisaema dracontium (L.) Schott","green dragon"
"ARDR4","Artemisia dracunculus L.","tarragon"
"ARENA","Arenaria L.","sandwort"
"ARFE","Arabis fendleri (S. Watson) Greene","Fendler's rockcress"
"ARFI","Ariocarpus fissuratus (Engelm.) K. Schum.","sand sagebrush"
"ARGEM","Argemone L.","pricklypoppy"
"ARGI","Arundinaria gigantea (Walter) Muhl.","giant cane"
"ARGYR5","Argyrochosma (Sm.) Windham","false cloak fern"
"ARGYT","Argythamnia P. Br.","silverbush"
"ARHI3","Arthraxon hispidus (Thunb.) Makino","small carpgrass"
"ARHO4","Arenaria hookeri Nutt.","Hooker's sandwort"
"ARHU5","Argythamnia humilis (Engelm. & A. Gray) Müll. Arg.","low silverbush"
"ARIST","Aristida L.","threeawn"
"ARIST2","Aristolochia L.","dutchman's pipe"
"ARLA","Arabis laevigata (Muhl. ex Willd.) Poir.","smooth rockcress"
"ARLO2","Aristida longispica Poir., orth. var.","red threeawn, slimspike threeawn"
"ARLU","Artemisia ludoviciana Nutt.","sagewort, louisiana sagewort"
"ARLUL2","Artemisia ludoviciana Nutt. ssp. ludoviciana","white sagebrush"
"ARME5","Argythamnia mercurialina (Nutt.) Müll. Arg.","tall silverbush"
"ARMI2","Arctium minus Bernh.","lesser burrdock"
"ARMI5","Arabis missouriensis Greene","green rockcress"
"ARNOG","Arnoglossum Raf.","Indian plaintain"
"AROL","Aristida oligantha Michx.","annual threeawn, oldfield threeawn, prairie threeawn"
"ARPL4","Arnoglossum plantagineum Raf.","groovestem Indian plaintain"
"ARPO2","Argemone polyanthemos (Fedde) G.B. Ownbey","crested pricklypoppy"
"ARPU8","Aristida purpurascens Poir.","arrowfeather threeawn"
"ARPU9","Aristida purpurea Nutt.","perennial threeawn, purple threeawn, blue threeawn, fendler's. reverchon's, wright's threeawn"
"ARRE3","Aristolochia reticulata Jacq.","Texas dutchman's pipe"
"ARMU3","Arnoglossum muehlenbergii (Sch. Bip.) H. Rob.","great Indian plaintain"
"ARSE2","Arenaria serpyllifolia L.","thymeleaf sandwort"
"ARSE3","Aristolochia serpentaria L.","Virginia snakeroot"
"ARSH2","Arabis shortii (Fernald) Gleason","Short's rockcress"
"ARSP2","Aralia spinosa L.","devil's walkingstick"
"ARSQ","Argemone squarrosa Greene","hedgehog pricklypoppy"
"ARGIT8","Arundinaria gigantea (Walter) Muhl. ssp. tecta (Walter) McClure","switchcane"
"ARTEM","Artemisia L.","sagebrush"
"ARTH","Arabidopsis thaliana (L.) Heynh.","mouseear cress"
"ARTHR","Arthraxon P. Beauv.","carpgrass"
"ARTO3","Aristolochia tomentosa Sims","woolly dutchman's pipe"
"ARTR","Arisaema triphyllum (L.) Schott","Jack in the pulpit"
"ARUND2","Arundinaria Michx.","cane"
"ASAM","Asclepias amplexicaulis Sm.","clasping milkweed"
"ASARU","Asarum L.","wildginger"
"ASAS","Asclepias asperula (Decne.) Woodson","spider milkweed"
"ASASC","Asclepias asperula (Decne.) Woodson ssp. capricornu (Woodson) Woodson","antelopehorns"
"ASBI2","Astragalus bisulcatus (Hook.) A. Gray","twogrooved milkvetch"
"ASBR2","Asplenium bradleyi D.C. Eaton","Bradley's spleewort"
"ASCA","Asarum canadense L.","Canadian wildginger"
"ASCA11","Astragalus canadensis L.","Canadian milkvetch"
"ASCE","Astragalus ceramicus Sheldon","painted milkvetch"
"ASCLE","Asclepias L.","milkweed"
"ASCR2","Astragalus crassicarpus Nutt.","groundplum"
"ASCRC3","Astragalus crassicarpus Nutt. var. crassicarpus","groundplum milkvetch"
"ASDI4","Astragalus distortus Torr. & A. Gray","Ozark milkvetch"
"ASEN","Asclepias engelmanniana Woodson","Engelmann's milkweed"
"ASGI5","Astragalus gilviflorus Sheldon","plains milkvetch"
"ASGR3","Astragalus gracilis Nutt.","slender milkvetch"
"ASHI","Asclepias hirtella (Pennell) Woodson","green milkweed"
"ASIMI","Asimina Adans.","pawpaw"
"ASIN14","Asclepias involucrata Engelm. ex Torr.","dwarf milkweed"
"ASIN19","Astrolepis integerrima (Hook.) Benham & Windham","hybrid cloakfern"
"ASIN9","Astranthium integrifolium (Michx.) Nutt.","entireleaf western daisy"
"ASLA4","Asclepias latifolia (Torr.) Raf.","broadleaf milkweed"
"ASLE10","Astragalus leptocarpus Torr. & A. Gray","rare loco milkvetch"
"ASLI4","Astragalus lindheimeri Engelm. ex A. Gray","Lindheimer's milkvetch"
"ASLO4","Astragalus lotiflorus Hook.","lotus milkvetch"
"ASMA","Asclepias macrotis Torr.","longhood milkweed"
"ASMI10","Astragalus missouriensis Nutt.","Missouri milkvetch"
"ASMO7","Astragalus mollissimus Torr.","woolly loco"
"ASMOM5","Astragalus mollissimus Torr. var. mollissimus","woolly locoweed"
"ASNU4","Astragalus nuttallianus DC.","smallflower milkvetch"
"ASPL2","Astragalus plattensis Nutt.","Platte River milkvetch"
"ASPU","Asclepias pumila (A. Gray) Vail","plains milkweed"
"ASPU2","Asclepias purpurascens L.","purple milkweed"
"ASPU8","Astragalus puniceus Osterh.","Trinidad milkvetch"
"ASQU","Asclepias quadrifolia Jacq.","fourleaf milkweed"
"ASRA2","Astragalus racemosus Pursh","cream milkvetch"
"ASSP","Asclepias speciosa Torr.","showy milkweed"
"ASST","Asclepias stenophylla A. Gray","slimleaf milkweed"
"ASSU2","Asclepias subverticillata (A. Gray) Vail","horsetail milkweed"
"ASSU3","Asclepias sullivantii Engelm. ex A. Gray","prairie milkweed"
"ASSY","Asclepias syriaca L.","common milkweed"
"ASTRA","Astragalus L.","milkvetch"
"ASTRA2","Astranthium Nutt.","western daisy"
"ASTU","Asclepias tuberosa L.","Butterfly milkweed"
"ASVE","Asclepias verticillata L.","whorled milkweed"
"ASVI11","Asclepiodora viridis (Walter) A. Gray","antelopehorn, green antelopehorn"
"ATAR2","Atriplex argentea Nutt.","silverscale saltbush"
"ATCA2","Atriplex canescens (Pursh) Nutt.","fourwing saltbush"
"ATFI","Athyrium filix-femina (L.) Roth","common ladyfern"
"ATFIA2","Athyrium filix-femina (L.) Roth ssp. asplenioides (Michx.) Hultén","asplenium ladyfern"
"ATHYR","Athyrium Roth","ladyfern"
"ATRIP","Atriplex L.","saltbush"
"ATSU2","Atriplex subspicata (Nutt.) Rydb.","saline saltbush"
"AUGR","Aureolaria grandiflora (Benth.) Pennell","largeflower yellow false foxglove"
"AUPE","Aureolaria pectinata (Nutt.) Pennell","combleaf yellow false foxglove"
"AUREO","Aureolaria Raf.","false foxglove"
"AVENA","Avena L.","oat"
"AVFA","Avena fatua L.","wild oat"
"AVSA","Avena sativa L.","common oat"
"AXFI","Axonopus fissifolius (Raddi) Kuhlm.","common carpetgrass"
"AXFU","Axonopus furcatus (Flueggé) Hitchc.","big carpetgrass"
"AXONO","Axonopus P. Beauv.","carpetgrass"
"AZCA","Azolla caroliniana Willd.","Carolina mosquitofern"
"AZME","Azolla mexicana Schltdl. & Cham. ex C. Presl","Mexican mosquitofern"
"AZOLL","Azolla Lam.","mosquitofern"
"BAAL","Baptisia alba (L.) Vent.","white wild indigo"
"BAALM","Baptisia alba (L.) Vent. var. macrophylla (Larisey) Isely","largeleaf wild indigo"
"BAAN","Baccharis angustifolia Michx.","Willow baccharis"
"BAAU","Baptisia australis (L.) R. Br.","blue wild indigo"
"BABR2","Baptisia bracteata Muhl. ex Elliott","plains wild indigo"
"BACCH","Baccharis L.","baccharis"
"BAHA","Baccharis halimifolia L.","eastern baccharis"
"BANU2","Baptisia nuttalliana Small","Nuttall's wild indigo"
"BAPTI","Baptisia Vent.","wild indigo"
"BARBA","Barbarea W.T. Aiton","yellowrocket"
"BARO","Bacopa rotundifolia (Michx.) Wettst.","disk waterhyssop"
"BARTO","Bartonia Muhl. ex Willd.","screwstem"
"BASA","Baccharis salicina Torr. & A. Gray","Great Plains false willow"
"KOSC","Kochia scoparia (L.) Schrad.","summer cyprus, Mexican-fireweed, burnin bush"
"BASP","Baptisia sphaerocarpa Nutt.","yellow wild indigo"
"KOCHI","Kochia Roth","Kochia"
"BATE","Baccharis texana (Torr. & A. Gray) A. Gray","prairie false willow"
"BAVU","Barbarea vulgaris W.T. Aiton","garden yellowrocket"
"BAWR","Baccharis wrightii A. Gray","Wright's baccharis"
"BETE2","Berlandiera texana DC.","Texas greeneyes"
"BECH","Belamcanda chinensis (L.) DC.","blackberry lily"
"BEER","Berula erecta (Huds.) Coville","cutleaf waterparsnip"
"BEIN2","Berteroa incana (L.) DC.","hoary false madwort"
"BELY","Berlandiera lyrata Benth.","chocolate daisy, lyreleaf greeneyes"
"BENI","Betula nigra L.","river birch"
"BEPU2","Berlandiera pumila (Michx.) Nutt.","soft greeneyes"
"BERCH","Berchemia Neck. ex DC.","supplejack"
"BERLA","Berlandiera DC.","greeneyes"
"BERTE","Berteroa DC.","false madwort"
"BERUL","Berula Besser ex W.D.J. Koch","waterparsnip"
"BESC","Berchemia scandens (Hill) K. Koch","Alabama supplejack"
"BETE","Bergia texana (Hook.) Seub. ex Walp.","Texas bergia"
"BETUL","Betula L.","birch"
"BIAM2","Bifora americana Benth. & Hook. f. ex S. Watson","prairie bishop"
"BIBI7","Bidens bipinnata L.","Spanish needles"
"BICA","Bignonia capreolata L.","crossvine"
"BIDEN","Bidens L.","beggarticks"
"BIFOR","Bifora Hoffm.","bishop"
"BLCI","Blephilia ciliata (L.) Benth.","downy pagoda-plant"
"BLEPH5","Blephilia Raf.","pagoda-plant"
"BOAS","Boltonia asteroides (L.) L'Hér.","white doll's daisy"
"BOBA2","Bouteloua barbata Lag.","sixweeks grama"
"BOBA3","Bothriochloa barbinodis (Lag.) Herter","cane bluestem"
"BOBI","Botrychium biternatum (Sav.) Underw.","sparselobe grapefern"
"BOBL","Bothriochloa bladhii (Retz.) S.T. Blake","Caucasian bluestem"
"BOCU","Bouteloua curtipendula (Michx.) Torr.","sideoats grama"
"BOCY","Boehmeria cylindrica (L.) Sw.","smallspike false nettle"
"BUDA","Buchloe dactyloides (Nutt.) Engelm.","buffalograss"
"BODI","Boltonia diffusa Elliott","smallhead doll's daisy"
"BODI2","Botrychium dissectum Spreng.","cutleaf grapefern"
"BOEHM","Boehmeria Jacq.","false nettle"
"BOER","Boerhavia erecta L.","erect spiderling"
"BOER4","Bouteloua eriopoda (Torr.) Torr.","black grama"
"BOERH2","Boerhavia L.","spiderling"
"SCFL11","Schoenoplectus fluviatilis (Torr.) M.T. Strong","river bulrush"
"BOGR2","Bouteloua gracilis (Willd. ex Kunth) Lag. ex Griffiths","blue grama"
"BOHI2","Bouteloua hirsuta Lag.","hairy grama"
"BOHIP","Bouteloua hirsuta Lag. var. pectinata (Featherly) Cory","tall grama"
"BOIN3","Bowlesia incana Ruiz & Pav.","hoary bowlesia"
"BOIS","Bothriochloa ischaemum (L.) Keng","old world bluestem"
"BOISS","Bothriochloa ischaemum (L.) Keng var. songarica (Rupr. ex Fisch. & C.A. Mey.) Celarier & Harlan","yellow bluestem"
"BOLA2","Bothriochloa laguroides (DC.) Herter","silver bluestem, silver beardgrass"
"BOLTO","Boltonia L'Hér.","doll's daisy"
"BOLU2","Botrychium lunarioides (Michx.) Sw.","winter grapefern"
"SCMA8","Schoenoplectus maritimus (L.) Lye","cosmopolitan bulrush"
"BORI","Bouteloua rigidiseta (Steud.) Hitchc.","Texas grama"
"BOTHR","Bothriochloa Kuntze","beardgrass"
"BOTRY","Botrychium Sw.","grapefern"
"BOUTE","Bouteloua Lag.","grama"
"BOVI","Botrychium virginianum (L.) Sw.","rattlesnake fern"
"BRACH2","Brachyelytrum P. Beauv.","shorthusk"
"BRAR5","Bromus arvensis L.","field brome"
"BRJA","Bromus japonicus Thunb.","Japanese brome"
"BRASS2","Brassica L.","mustard"
"BRBR2","Brickellia brachyphylla (A. Gray) A. Gray","plumed brickellbush"
"BRCA3","Brickellia californica (Torr. & A. Gray) A. Gray","California brickellbush"
"BRCA6","Bromus catharticus Vahl","Rescuegrass"
"BRDI3","Bromus diandrus Roth","ripgut brome"
"BRER2","Brachyelytrum erectum (Schreb. ex Spreng.) P. Beauv.","bearded shorthusk"
"BREU","Brickellia eupatorioides (L.) Shinners","false boneset"
"BRHO2","Bromus hordeaceus L.","soft brome"
"BRICK","Brickellia Elliott","brickellbush"
"BRIN2","Bromus inermis Leyss.","smooth brome"
"BRIZA","Briza L.","quakinggrass"
"BRJU","Brassica juncea (L.) Czern.","India mustard"
"BRLA6","Bromus lanatipes (Shear) Rydb.","woolly brome"
"BRMI2","Briza minor L.","little quakinggrass"
"BRNA","Brassica napus L.","rape"
"BRNI","Brassica nigra (L.) W.D.J. Koch","black mustard"
"BRNO","Bromus nottowayanus Fernald","Nottoway Valley brome"
"BROMU","Bromus L.","brome"
"BROV4","Brunnichia ovata (Walter) Shinners","American buckwheat vine"
"BRPA4","Broussonetia papyrifera (L.) L'Hér. ex Vent.","paper mulberry"
"BRPU6","Bromus pubescens Muhl. ex Willd.","hairy woodland brome"
"BRRA","Brassica rapa L.","field mustard"
"BRRA2","Bromus racemosus L.","bald brome"
"BRCO4","Bromus commutatus Schrad.","meadow brome"
"BRSC","Brasenia schreberi J.F. Gmel.","watershield"
"BRSE","Bromus secalinus L.","rye brome"
"BRST2","Bromus sterilis L.","poverty brome"
"BRTE","Bromus tectorum L.","cheatgrass, downy brome"
"BRUNN","Brunnichia Banks ex Gaertn.","buckwheat vine"
"BUAM","Buchnera americana L.","American bluehearts"
"BUAR3","Buglossoides arvensis (L.) I.M. Johnst.","corn gromwell"
"BUCA2","Bulbostylis capillaris (L.) Kunth ex C.B. Clarke","densetuft hairsedge"
"BUCA3","Burmannia capitata (J.F. Gmel.) Mart.","southern bluethread"
"BUCHN","Buchnera L.","bluehearts"
"BUCI","Bulbostylis ciliatifolia (Elliott) Fernald","capillary hairsedge"
"BULBO","Bulbostylis Kunth","hairsedge"
"BURMA","Burmannia L.","bluethread"
"CAAL","Callirhoe alcaeoides (Michx.) A. Gray","light poppymallow"
"CAAM18","Campanulastrum americanum (L.) Small","American bellflower"
"CAAM2","Callicarpa americana L.","American beautyberry"
"CAAN11","Cardamine angustata O.E. Schulz","slender toothwort"
"CAAN2","Camassia angusta (Engelm. & A. Gray) Blank.","prairie camas"
"CAAQ2","Carya aquatica (Michx. f.) Nutt.","water hickory"
"CAAR12","Calamovilfa arcuata K.E. Rogers","Cumberland sandreed"
"CABI8","Catalpa bignonioides Walter","southern catalpa"
"CABOM","Cabomba Aubl.","fanwort"
"CABU2","Capsella bursa-pastoris (L.) Medik.","shepherd's purse"
"CABU3","Cardamine bulbosa (Schreb. ex Muhl.) Britton, Sterns & Poggenb.","bulbous bittercress"
"CABU8","Callirhoe bushii Fernald","Bush's poppymallow"
"CACA","Cabomba caroliniana A. Gray","Carolina fanwort"
"CACA18","Carpinus caroliniana Walter","American hornbeam"
"CACO15","Carya cordiformis (Wangenh.) K. Koch","bitternut hickory"
"CACO26","Cardamine concatenata (Michx.) Sw.","cutleaf toothwort"
"CADI2","Callirhoe digitata Nutt.","winecup"
"CADI28","Cardamine dissecta (Leavenworth) Al-Shehbaz","forkleaf toothwort"
"CADR","Cardaria draba (L.) Desv.","whitetop"
"CAEN4","Canavalia ensiformis (L.) DC.","wonderbean"
"CAESA","Caesalpinia L.","nicker"
"CAFE3","Carex festucacea Schkuhr ex Willd.","prairie sedge"
"CAGI","Caesalpinia gilliesii (Wall. ex Hook.) Wall. ex D. Dietr.","bird-of-paradise shrub"
"CAGI3","Calamovilfa gigantea (Nutt.) Scribn. & Merr.","giant sandreed"
"CAHA13","Cardiospermum halicacabum L.","love in a puff"
"CAHE3","Callitriche heterophylla Pursh","twoheaded water-starwort"
"CAHI3","Cardamine hirsuta L.","hairy bittercress"
"CAIL2","Carya illinoinensis (Wangenh.) K. Koch","pecan"
"CAIN13","Castilleja indivisa Engelm.","Indian paintbrush, entireleaf Indian paintbrush"
"CAIN2","Callirhoe involucrata (Torr. & A. Gray) A. Gray","purple poppymallow"
"CALA20","Carthamus lanatus L.","woolly distaff thistle"
"CALAM2","Calamovilfa (A. Gray) Hack. ex Scribn. & Southworth","sandreed"
"CALE2","Callirhoe leiocarpa R.F. Martin","tall poppymallow"
"CALLI2","Callicarpa L.","beautyberry"
"CALLI3","Callirhoe Nutt.","poppymallow"
"CALLI6","Callitriche L.","water-starwort"
"CALOP2","Calopogon R. Br.","grasspink"
"CALY2","Calycocarpum lyonii (Pursh) A. Gray","cupseed"
"CALYL","Calylophus Spach","sundrops"
"CALYS","Calystegia R. Br.","false bindweed"
"CAMA23","Calystegia macounii (Greene) Brummitt","Macoun's false bindweed"
"CAMAS","Camassia Lindl.","camas"
"CAMEL","Camelina Crantz","false flax"
"CAMI2","Camelina microcarpa Andrz. ex DC.","littlepod false flax"
"CAMPA2","Campanulastrum Small","bellflower"
"CANAV","Canavalia Adans.","jackbean"
"CANNA","Cannabis L.","hemp"
"CANU4","Carduus nutans L.","musk thistle, nodding plumeless thistle"
"CAOK2","Calopogon oklahomensis D.H. Goldman","Oklahoma grasspink"
"CAPA12","Cardamine parviflora L.","sand bittercress"
"CAPE23","Callirhoe pedata (Nutt. ex Hook.) A. Gray","palmleaf poppymallow"
"CAPE3","Cardamine pensylvanica Muhl. ex Willd.","Pennsylvania bittercress"
"CAPE44","Callitriche pedunculosa Nutt.","Nuttall's water-starwort"
"CAPU11","Castilleja purpurea (Nutt.) G. Don","downy Indian paintbrush"
"CAPU9","Castanea pumila (L.) Mill.","chinkapin"
"CAPUC","Castilleja purpurea (Nutt.) G. Don var. citrina (Pennell) Shinners","prairie Indian paintbrush"
"CAPUO","Castanea pumila (L.) Mill. var. ozarkensis (Ashe) Tucker","Ozark chinkapin"
"CAQU3","Cayaponia quinqueloba (Raf.) Shinners","fivelobe cucumber"
"CARA2","Campsis radicans (L.) Seem. ex Bureau","trumpet creeper"
"CARDA","Cardamine L.","bittercress"
"CARDI2","Cardiospermum L.","balloonvine"
"CARDU","Carduus L.","plumeless thistle"
"CAREX","Carex L.","sedge"
"CARPI","Carpinus L.","hornbeam"
"CARTH","Carthamus L.","distaff thistle"
"CARU15","Camelina rumelica Velen.","graceful false flax"
"CASA2","Camelina sativa (L.) Crantz","gold-of-pleasure"
"CASA3","Cannabis sativa L.","marijuana"
"CASC5","Camassia scilloides (Raf.) Cory","Atlantic camas"
"CASE12","Calylophus serrulatus (Nutt.) P.H. Raven","halfshrub sundrop, yellow sundrops"
"CASE13","Calystegia sepium (L.) R. Br.","hedge false bindweed"
"CASI10","Calystegia silvatica (Kit.) Griseb.","shortstalk false bindweed"
"CASP8","Catalpa speciosa (Warder) Warder ex Engelm.","northern catalpa"
"CASTA","Castanea Mill.","chestnut"
"CASTI2","Castilleja Mutis ex L. f.","Indian paintbrush"
"CATAL","Catalpa Scop.","catalpa"
"CATE19","Callitriche terrestris Raf.","terrestrial water-starwort"
"CATH2","Caulophyllum thalictroides (L.) Michx.","blue cohosh"
"CATU5","Calopogon tuberosus (L.) Britton, Sterns & Poggenb.","tuberous grasspink"
"CATUS","Calopogon tuberosus (L.) Britton, Sterns & Poggenb. var. simpsonii (Small) Magrath","Simpson's grasspink"
"CAULO","Caulophyllum Michx.","cohosh"
"CAYAP","Cayaponia Silva Manso","melonleaf"
"CEAM","Ceanothus americanus L.","New Jersey tea, redroot"
"CEAM2","Centaurea americana Nutt.","basketflower, American star thistle"
"CEANO","Ceanothus L.","ceanothus, New Jersey tea"
"CEBE","Centaurium beyrichii (Torr. & A. Gray ex Torr.) B.L. Rob.","quinineweed"
"CEBR2","Cerastium brachypetalum Pers.","gray chickweed"
"CEBR3","Cerastium brachypodum (Engelm. ex A. Gray) B.L. Rob.","shortstalk chickweed"
"CECA4","Cercis canadensis L.","eastern redbud"
"CEDE4","Ceratophyllum demersum L.","coon's tail"
"CEEC","Cenchrus echinatus L.","southern sandbur"
"CEEC2","Ceratophyllum echinatum A. Gray","spineless hornwort"
"CEFO2","Cerastium fontanum Baumg.","common mouse-ear chickweed"
"CEFOV2","Cerastium fontanum Baumg. ssp. vulgare (Hartm.) Greuter & Burdet","big chickweed"
"CEGL2","Cerastium glomeratum Thuill.","sticky chickweed"
"CELA","Celtis laevigata Willd.","sugarberry, southern hackberry, hackberry"
"CERE2","Celtis reticulata Torr.","hackberry"
"CELAS","Celastrus L.","bittersweet"
"CELO3","Cenchrus longispinus (Hack.) Fernald","mat sandbur"
"CELTI","Celtis L.","hackberry, sugarberry"
"CEMO2","Cercocarpus montanus Raf.","mountain mahogany"
"CEMOM4","Cercocarpus montanus Raf. var. montanus","alderleaf mountain mahogany"
"CENCH","Cenchrus L.","sandbur"
"CENTA","Centaurea L.","knapweed"
"CENTA2","Centaurium Hill","centaury"
"CENTR2","Centrosema (DC.) Benth.","butterfly pea"
"CENU2","Cerastium nutans Raf.","nodding chickweed"
"CEOCO2","Celtis occidentalis L. var. occidentalis","common hackberry"
"CEOC2","Cephalanthus occidentalis L.","buttonbush, button willow, honey-balls, Spanish pin-cushion"
"CEPHA","Cephalanthus L.","buttonbush"
"CERAS","Cerastium L.","mouse-ear chickweed"
"CERAT","Ceratophyllum L.","hornwort"
"CERCI2","Cercis L.","redbud"
"CESC","Celastrus scandens L.","American bittersweet"
"CESI","Cevallia sinuata Lag.","stinging serpent"
"CESO3","Centaurea solstitialis L.","yellow star thistle"
"CESP4","Cenchrus spinifex Cav.","coastal sandbur"
"CETE2","Centaurium texense (Griseb.) Fernald","Lady Bird's centaury"
"CEVI2","Centrosema virginianum (L.) Benth.","spurred butterfly pea"
"CHAER","Chaerophyllum L.","chervil"
"CHAET2","Chaetopappa DC.","leastdaisy"
"CHAL11","Chamaesyce albomarginata (Torr. & A. Gray) Small","whitemargin sandmat"
"CHAL5","Cheilanthes alabamensis (Buckley) Kunze","Alabama lipfern"
"CHAL7","Chenopodium album L.","lambsquarters"
"CHAMA15","Chamaesyce Gray","sandmat"
"CHAMA17","Chamaecrista (L.) Moench","sensitive pea"
"CHAMA8","Chamaesaracha (A. Gray) Benth.","five eyes"
"CHAS","Chaetopappa asteroides Nutt. ex DC.","Arkansas leastdaisy"
"CHASM","Chasmanthium Link","woodoats"
"CHBA11","Chrysothamnus baileyi Wooton & Standl.","Bailey's rabbitbrush"
"CHCA30","Chamaesyce carunculata (Waterf.) Shinners","sanddune sandmat"
"CHCO","Chamaesaracha coniodes (Moric. ex Dunal) Britton","gray five eyes"
"CHCO2","Chamaesaracha coronopus (Dunal) A. Gray","greenleaf five eyes"
"CHCU2","Chloris cucullata Bisch.","hooded windmillgrass"
"CHEA","Cheilanthes eatonii Baker","Eaton's lipfern"
"CHEIL","Cheilanthes Sw.","lipfern"
"CHENO","Chenopodium L.","goosefoot, lambsquarters"
"CHER2","Chaetopappa ericoides (Torr.) G.L. Nesom","rose heath"
"LEER","Leucelene ericoides (Torr.) Greene","baby-white aster"
"CHFAF","Chamaecrista fasciculata (Michx.) Greene var. fasciculata","showy partridge pea, sleepingplant"
"CHFE","Cheilanthes feei T. Moore","slender lipfern"
"CHFE2","Cheilanthes fendleri Hook.","Fendler's lipfern"
"CHFE3","Chamaesyce fendleri (Torr. & A. Gray) Small","Fendler's sandmat"
"CHGE2","Chamaesyce geyeri (Engelm. & A. Gray) Small","Geyer's sandmat"
"CHGL13","Chamaesyce glyptosperma (Engelm.) Small","ribseed sandmat"
"CHHO","Cheilanthes horridula Maxon","rough lipfern"
"CHHU3","Chamaesyce humistrata (Engelm. ex A. Gray) Small","spreading sandmat"
"CHION","Chionanthus L.","fringetree"
"CHLA10","Chamaesyce lata (Engelm.) Small","hoary sandmat"
"CHLA2","Cheilanthes lanosa (Michx.) D.C. Eaton","hairy lipfern"
"CHLA5","Chasmanthium latifolium (Michx.) Yates","broadleaved uniola"
"CHLA6","Chasmanthium laxum (L.) Yates","slender woodoats"
"CHLI","Cheilanthes lindheimeri Hook.","fairyswords"
"CHLI2","Chilopsis linearis (Cav.) Sweet","desert willow"
"CHLOR","Chloris Sw.","windmillgrass"
"CHMA15","Chamaesyce maculata (L.) Small","spotted sandmat"
"CHMI","Chaenorhinum minus (L.) Lange","dwarf snapdragon"
"CHMI8","Chamaesyce missurica (Raf.) Shinners","prairie sandmat"
"CHNI2","Chamaecrista nictitans (L.) Moench","partridge pea"
"CHNU9","Chamaesyce nutans (Lag.) Small","eyebane"
"CHPI8","Chrysopsis pilosa Nutt.","soft goldenaster"
"CHPR","Chaerophyllum procumbens (L.) Crantz","spreading chervil"
"CHPR6","Chamaesyce prostrata (Aiton) Small","prostrate sandmat"
"CHRYS7","Chrysopsis (Nutt.) Elliott","goldenaster"
"CHRYS9","Chrysothamnus Nutt.","rabbitbrush"
"CHSE2","Chasmanthium sessiliflorum (Poir.) Yates","longleaf woodoats"
"CHSE4","Chamaesyce serpens (Kunth) Small","matted sandmat"
"CHSE6","Chamaesyce serpyllifolia (Pers.) Small","thymeleaf sandmat"
"CHSP11","Chloracantha spinosa (Benth.) G.L. Nesom","spiny chloracantha"
"CHST8","Chamaesyce stictospora (Engelm.) Small","slimseed sandmat"
"CHTA","Chaerophyllum tainturieri Hook.","hairyfruit chervil"
"CHTE2","Chorispora tenella (Pall.) DC.","crossflower"
"CHTO2","Cheilanthes tomentosa Link","woolly lipfern"
"CHVE2","Chloris verticillata Nutt.","tumble windmillgrass"
"CHVI3","Chionanthus virginicus L.","white fringetree"
"CHVI4","Chloris virgata Sw.","feather fingergrass"
"CHWO","Cheilanthes wootonii Maxon","beaded lipfern"
"CIAL2","Cirsium altissimum (L.) Hill","tall thistle"
"CIAR2","Cinna arundinacea L.","sweet woodreed"
"CICA7","Cirsium carolinianum (Walter) Fernald & B.G. Schub.","soft thistle"
"CICUT","Cicuta L.","water hemlock"
"CIEN2","Cirsium engelmannii Rydb.","Engelmann's thistle"
"CIHO2","Cirsium horridulum Michx.","yellow thistle"
"CIIN","Cichorium intybus L.","chicory"
"CILU","Circaea lutetiana L.","broadleaf enchanter's nightshade"
"CIMA2","Cicuta maculata L.","spotted water hemlock"
"CIMU","Cirsium muticum Michx.","swamp thistle"
"CINNA","Cinna L.","woodreed"
"CIOC2","Cirsium ochrocentrum A. Gray","yellowspine thistle"
"CIRCA","Circaea L.","enchanter's nightshade"
"CIRSI","Cirsium Mill.","thistle"
"CISSU","Cissus L.","treebine"
"CITE2","Cirsium texanum Buckley","Texas thistle"
"CITR2","Cissus trifoliata (L.) L.","sorrelvine"
"CIUN","Cirsium undulatum (Nutt.) Spreng.","wavyleaf thistle"
"CIVU","Cirsium vulgare (Savi) Ten.","bull thistle"
"CLADR","Cladrastis Raf.","yellowwood"
"CLAN","Cleomella angustifolia Torr.","narrowleaf rhombopod"
"CLAR5","Clinopodium arkansanum (Nutt.) House","limestone calamint"
"CLAYT","Claytonia L.","springbeauty"
"CLCA3","Clematis catesbyana Pursh","satincurls"
"CLCR","Clematis crispa L.","swamp leather flower"
"CLDR","Clematis drummondii Torr. & A. Gray","Drummond's clematis"
"CLEMA","Clematis L.","leather flower"
"CLEOM","Cleome L.","spiderflower"
"CLEOM2","Cleomella DC.","stinkweed"
"CLGL","Clematis glaucophylla Small","whiteleaf leather flower"
"CLGY","Cleome gynandra L.","spiderwisp"
"CLHA","Cleome hassleriana Chod.","pink queen"
"CLHI","Clematis hirsutissima Pursh","hairy clematis"
"CLHIS","Clematis hirsutissima Pursh var. scottii (Porter) Erickson","Scott's clematis"
"CLITO","Clitoria L.","pigeonwings"
"CLKE","Cladrastis kentukea (Dum. Cours.) Rudd","Kentucky yellowwood"
"CLLI2","Clematis ligusticifolia Nutt.","western white clematis"
"CLMA4","Clitoria mariana L.","butterfly pea"
"CLPI","Clematis pitcheri Torr. & A. Gray","bluebill"
"CLRE","Clematis reticulata Walter","netleaf leather flower"
"CLSE","Cleome serrulata Pursh","Rocky Mountain beeplant"
"CLTE4","Clematis terniflora DC.","sweet autumn virginsbower"
"CLVE","Clematis versicolor Small ex Rydb.","pale leather flower"
"CLVI3","Claytonia virginica L.","Virginia springbeauty"
"CLVI5","Clematis virginiana L.","devil's darning needles"
"CNTE","Cnidoscolus texanus (Müll. Arg.) Small","Texas bullnettle"
"COAJ","Consolida ajacis (L.) Schur","doubtful knight's-spur"
"COAM3","Corylus americana Walter","American hazelnut"
"COAM8","Corispermum americanum (Nutt.) Nutt.","American bugseed"
"COAR4","Convolvulus arvensis L.","field bindweed"
"COAR6","Colutea arborescens L.","bladder senna"
"COAU2","Corydalis aurea Willd.","scrambled eggs"
"COCA","Cocculus carolinus (L.) DC.","Carolina snailseed, Carolina coralbead, carolina moonseed"
"COCA5","Conyza canadensis (L.) Cronquist","horseweed"
"COCAC3","Conyza canadensis (L.) Cronquist var. canadensis","Canadian horseweed"
"COCCU","Cocculus DC.","coralbead"
"COCO13","Conoclinium coelestinum (L.) DC.","blue mistflower"
"COCO3","Commelina communis L.","Asiatic dayflower"
"COCR2","Corydalis crystallina Engelm.","mealy fumewort"
"COCU2","Corydalis curvisiliqua Engelm.","curvepod fumewort"
"COCY","Coelorachis cylindrica (Michx.) Nash","Carolina jointtail, rattailgrass"
"CODI5","Commelina diffusa Burm. f.","climbing dayflower"
"CODR","Cornus drummondii C.A. Mey.","Roughleaf dogwood"
"CODR2","Cooperia drummondii Herb.","evening rainlily"
"COELO","Coelorachis Brongn.","jointtail grass"
"COEQ","Convolvulus equitans Benth.","Texas bindweed"
"COER","Commelina erecta L.","erect dayflower, whitemouth dayflower"
"COERE","Commelina erecta L. var. erecta","whitemouth dayflower"
"COFL2","Cornus florida L.","flowering dogwood"
"COFL3","Corydalis flavula (Raf.) DC.","yellow fumewort"
"COFO","Cornus foemina Mill.","stiff dogwood"
"COLLI","Collinsia Nutt.","blue eyed Mary"
"COMA2","Conium maculatum L.","poison hemlock"
"COMI2","Corydalis micrantha (Engelm. ex A. Gray) A. Gray","smallflower fumewort"
"COMME","Commelina L.","dayflower"
"CONOC4","Conoclinium DC.","thoroughwort"
"CONSO","Consolida Gray","knight's-spur"
"CONVO","Convolvulus L.","bindweed"
"COOB2","Cotinus obovatus Raf.","American smoketree"
"COOD","Corallorrhiza odontorhiza (Willd.) Poir., orth. var.","autumn coralroot"
"COOPE","Cooperia Herb.","rain lily"
"COOR","Conringia orientalis (L.) Dumort.","hare's ear mustard"
"CORAL2","Corallorrhiza Gagnebin, orth. rej.","coralroot"
"COREO2","Coreopsis L.","Coreopsis, tickseed"
"CORIS","Corispermum L.","bugseed"
"CORNU","Cornus L.","dogwood"
"CORON","Coronilla L.","crownvetch"
"CORYD","Corydalis DC.","fumewort"
"CORYL","Corylus L.","hazelnut"
"COSA","Coriandrum sativum L.","coriander"
"COSMO","Cosmos Cav.","cosmos"
"COSU5","Cosmos sulphureus Cav.","sulphur cosmos"
"COTI3","Coreopsis tinctoria Nutt.","plains coreopsis, golden tickseed"
"COTIN","Cotinus Mill.","smoketree"
"COUM","Comandra umbellata (L.) Nutt.","bastard toadflax"
"COUMP","Comandra umbellata (L.) Nutt. ssp. pallida (A. DC.) Piehl","pale bastard toadflax"
"COVE2","Collinsia verna Nutt.","spring blue eyed Mary"
"COVI2","Collinsia violacea Nutt.","violet blue eyed Mary"
"COVI3","Commelina virginica L.","Virginia dayflower"
"COWI2","Corallorrhiza wisteriana Conrad, orth. var.","spring coralroot"
"CRAQ","Crassula aquatica (L.) Schoenl.","water pygmyweed"
"CRASS","Crassula L.","pygmyweed"
"CRATA","Crataegus L.","hawthorn"
"CRCA9","Cryptotaenia canadensis (L.) DC.","Canadian honewort"
"CRCI3","Cryptantha cinerea (Greene) Cronquist","James' cryptantha"
"CRCR3","Cryptantha crassisepala (Torr. & A. Gray) Greene","thicksepal cryptantha"
"CRDI17","Croptilon divaricatum (Nutt.) Raf.","slender scratchdaisy"
"CREPI","Crepis L.","hawksbeard"
"CRESS","Cressa L.","alkaliweed"
"CRHO7","Croptilon hookerianum (Torr. & A. Gray) House","Hooker's scratchdaisy"
"CRMI5","Cryptantha minima Rydb.","little cryptantha"
"CROPT","Croptilon Raf.","scratchdaisy"
"CROTA","Crotalaria L.","rattlebox"
"CROTO","Croton L.","croton"
"CRPE10","Cruciata pedemontana (Bellardi) Ehrend.","piedmont bedstraw"
"CRPU3","Crepis pulchra L.","smallflower hawksbeard"
"CRSA4","Crotalaria sagittalis L.","arrowhead rattlebox"
"CRTE4","Croton texensis (Klotzsch) Müll. Arg.","Texas croton"
"CRTH","Cryptantha thyrsiflora (Greene) Payson","calcareous cryptantha"
"CRTR5","Cressa truxillensis Kunth","spreading alkaliweed"
"CRUCI2","Cruciata Mill.","bedstraw"
"CRVI2","Crataegus viridis L.","green hawthorn"
"CRYPT5","Cryptotaenia DC.","honewort"
"CUAT","Cuscuta attenuata Waterf.","tapertip dodder"
"CUCE","Cuscuta cephalanthi Engelm.","buttonbush dodder"
"CUCO2","Cuscuta compacta Juss. ex Choisy","compact dodder"
"CUCO3","Cuscuta coryli Engelm.","hazel dodder"
"CUCU2","Cuscuta cuspidata Engelm.","cusp dodder"
"CUCUM","Cucumis L.","melon"
"CUCUR","Cucurbita L.","gourd"
"CUFO","Cucurbita foetidissima Kunth","Missouri gourd"
"CUGL3","Cuscuta glomerata Choisy","rope dodder"
"CUGR","Cuscuta gronovii Willd. ex Schult.","scaldweed"
"CUIN","Cuscuta indecora Choisy","bigseed alfalfa dodder"
"CUME","Cucumis melo L.","cantaloupe"
"CUOB","Cuscuta obtusiflora Kunth","Peruvian dodder"
"CUOR","Cunila origanoides (L.) Britton","common dittany"
"CUPE3","Cuscuta pentagona Engelm.","fiveangled dodder"
"CUPHE","Cuphea P. Br.","waxweed"
"CUPO","Cuscuta polygonorum Engelm.","smartweed dodder"
"CUSCU","Cuscuta L.","dodder"
"CUUM","Cuscuta umbellata Kunth","flatglobe dodder"
"CUVI","Cuphea viscosissima Jacq.","blue waxweed"
"CYAC","Cymopterus acaulis (Pursh) Raf.","plains springparsley"
"CYAC2","Cyperus acuminatus Torr. & Hook. ex Torr.","tapertip flatsedge"
"CYAM3","Cynoglossum amabile Stapf & J.R. Drumm.","Chinese hound's tongue"
"CYAT","Cycloloma atriplicifolium (Spreng.) J.M. Coult.","winged pigweed"
"CYBI6","Cyperus bipartitus Torr.","slender flatsedge"
"CYBU3","Cystopteris bulbifera (L.) Bernh.","bulblet bladderfern"
"CYCR6","Cyperus croceus Vahl","Baldwin's flatsedge"
"CYDA","Cynodon dactylon (L.) Pers.","Bermudagrass"
"CYDI","Cyclanthera dissecta (Torr. & A. Gray) Arn.","cutleaf cyclanthera"
"CYDI2","Cynosciadium digitatum DC.","finger dogshade"
"CYDI4","Cyperus difformis L.","variable flatsedge"
"CYEC","Cynosurus echinatus L.","bristly dogstail grass"
"CYEC2","Cyperus echinatus (L.) Alph. Wood","globe flatsedge"
"CYER2","Cyperus erythrorhizos Muhl.","redroot flatsedge"
"CYES","Cyperus esculentus L.","chufa flatsedge"
"CYFL","Cyperus flavescens L.","yellow flatsedge"
"OPIM","Opuntia imbricata (Haw.) DC.","tree cholla"
"CYIR","Cyperus iria L.","ricefield flatsedge"
"CYKE2","Cypripedium kentuckiense C.F. Reed","Kentucky lady's slipper"
"CYLA","Cynanchum laeve (Michx.) Pers.","honeyvine"
"CYLA3","Cyperus lancastriensis Porter ex A. Gray","manyflower flatsedge"
"CYLE7","Cyclospermum leptophyllum (Pers.) Sprague ex Britton & P. Wilson","marsh parsley"
"CYLU2","Cyperus lupulinus (Spreng.) Marcks","Great Plains flatsedge"
"CYMA","Cymopterus macrorhizus Buckley","bigroot springparsley"
"CYMO","Cymopterus montanus Nutt. ex Torr. & A. Gray","mountain springparsley"
"CYMOP2","Cymopterus Raf.","springparsley"
"CYNAN","Cynanchum L.","swallow-wort"
"CYNI2","Cyperus niger Ruiz & Pav.","black flatsedge"
"CYNOG","Cynoglossum L.","hound's tongue"
"CYNOS2","Cynosurus L.","dogstail grass"
"CYOD","Cyperus odoratus L.","fragrant flatsedge"
"CYPU10","Cypripedium pubescens Willd.","greater yellow lady's slipper"
"CYPER","Cyperus L.","flatsedge"
"CYPL3","Cyperus plukenetii Fernald","Plukenet's flatsedge"
"CYPO","Cyperus polystachyos Rottb.","manyspike flatsedge"
"CYPOT","Cyperus polystachyos Rottb. var. texensis (Torr.) Fernald","Texan flatsedge"
"CYPR4","Cystopteris protrusa (Weath.) Blasdell","lowland bladderfern"
"CYPRI","Cypripedium L.","lady's slipper"
"CYPS","Cyperus pseudovegetus Steud.","marsh flatsedge"
"CYRE14","Cyperus retroflexus Buckley","oneflower flatsedge"
"CYRE2","Cyperus reflexus Vahl","bentawn flatsedge"
"CYRE4","Cyperus retrofractus (L.) Torr.","rough flatsedge"
"CYRE5","Cyperus retrorsus Chapm.","pine barren flatsedge"
"CYRO","Cyperus rotundus L.","nutgrass"
"CYSC3","Cyperus schweinitzii Torr.","Schweinitz's flatsedge"
"CYSE3","Cyperus setigerus Torr. & Hook.","lean flatsedge"
"CYSP2","Cyperus spectabilis Link","spectacular flatsedge"
"CYSQ","Cyperus squarrosus L.","bearded flatsedge"
"CYST","Cyperus strigosus L.","false flatsedge"
"CYSTO","Cystopteris Bernh.","bladderfern"
"CYSU","Cyperus surinamensis Rottb.","tropical flatsedge"
"CYTE3","Cystopteris tennesseensis Shaver","Tennessee bladderfern"
"CYTE7","Cystopteris tenuis (Michx.) Desv.","upland brittle bladderfern"
"CYVI","Cynoglossum virginianum L.","wild comfrey"
"CYXA","Cyclachaena xanthifolia (Nutt.) Fresen., orth. var.","giant sumpweed"
"DAAU","Dalea aurea Nutt. ex Pursh","golden dalea"
"DACA6","Daucus carota L.","Queen Anne's lace"
"DACAC","Dalea candida Michx. ex Willd. var. candida","white prairieclover"
"DACO2","Dalea compacta Spreng.","compact prairie clover"
"DACY","Dalea cylindriceps Barneby","Andean prairie clover"
"DAEN","Dalea enneandra Nutt.","slender dalea"
"DAFO","Dalea formosa Torr.","feather Dalea, featherplume"
"DAFR2","Dalea frutescens A. Gray","black prairie clover"
"DAGL","Dactylis glomerata L.","orchardgrass"
"DAJA","Dalea jamesii (Torr.) Torr. & A. Gray","James' prairie clover"
"DALA3","Dalea lanata Spreng.","woolly prairie clover"
"DALA4","Dalea lasiathera A. Gray","purple prairieclover"
"DALEA","Dalea L.","prairie clover"
"DAMA","Dasistoma macrophylla (Nutt.) Raf.","mullein foxglove"
"DAMU","Dalea multiflora (Nutt.) Shinners","roundhead prairie clover"
"DANA","Dalea nana Torr. ex A. Gray","dwarf prairie clover"
"DANTH","Danthonia DC.","oatgrass"
"DAPH2","Dalea phleoides (Torr. & A. Gray) Shinners","slimspike prairie clover"
"DAPU3","Daucus pusillus Michx.","American wild carrot"
"DAPU5","Dalea purpurea Vent.","purple prairie clover"
"DAPUP","Dalea purpurea Vent. var. purpurea","violet prairie clover"
"PEPU15","Petalostemon purpureus (Vent.) Rydb.","purple prairieclover"
"DAQU","Datura quercifolia Kunth","Chinese thorn-apple"
"DASP2","Danthonia spicata (L.) P. Beauv. ex Roem. & Schult.","poverty oatgrass"
"DAST","Datura stramonium L.","jimsonweed"
"DATE5","Dalea tenuifolia (A. Gray) Shinners","slimleaf prairie clover"
"DAUCU","Daucus L.","wild carrot"
"DAVI","Dalea villosa (Nutt.) Spreng.","silky prairie clover"
"DAWR2","Datura wrightii Regel","sacred thorn-apple"
"DECA2","Delphinium cardinale Hook.","plains larkspur, carolina larkspur"
"DECA7","Desmodium canadense (L.) DC.","showy ticktrefoil"
"DECA8","Desmodium canescens (L.) DC.","hoary ticktrefoil"
"DECAV2","Delphinium carolinianum Walter ssp. virescens (Nutt.) R.E. Brooks","Carolina larkspur"
"DECI","Desmodium ciliare (Muhl. ex Willd.) DC.","hairy small-leaf ticktrefoil"
"DECO2","Desmanthus cooleyi (Eaton) Trel.","Cooley's bundleflower"
"DECU","Desmodium cuspidatum (Muhl. ex Willd.) DC. ex D. Don","largebract ticktrefoil"
"DEFL","Deschampsia flexuosa (L.) Trin.","wavy hairgrass"
"DEGL5","Desmodium glutinosum (Muhl. ex Willd.) Alph. Wood","pointedleaf ticktrefoil"
"DEIL","Desmanthus illinoensis (Michx.) MacMill. ex B.L. Rob. & Fernald","Illinois Bundleflower"
"DEIL2","Desmodium illinoense A. Gray","Illinois ticktrefoil"
"DELA2","Desmodium laevigatum (Nutt.) DC.","smooth ticktrefoil"
"DELE2","Desmanthus leptolobus Torr. & A. Gray","slenderlobe bundleflower"
"DELPH","Delphinium L.","larkspur"
"DEMA2","Desmodium marilandicum (L.) DC.","smooth small-leaf ticktrefoil"
"DENU4","Desmodium nudiflorum (L.) DC.","nakedflower ticktrefoil"
"DEOB5","Desmodium obtusum (Muhl. ex Willd.) DC.","stiff ticktrefoil"
"DEPA6","Desmodium paniculatum (L.) DC.","panicledleaf ticktrefoil"
"DEPA7","Desmodium pauciflorum (Nutt.) DC.","fewflower ticktrefoil"
"DEPI","Descurainia pinnata (Walter) Britton","western tansymustard"
"DERO3","Desmodium rotundifolium DC.","prostrate ticktrefoil"
"DESCH","Deschampsia P. Beauv.","hairgrass"
"DESCU","Descurainia Webb & Bethel.","tansymustard"
"DESE","Desmodium sessilifolium (Torr.) Torr. & A. Gray","sessileleaf tickclover"
"DESMA","Desmanthus Willd.","bundleflower"
"DESMO","Desmodium Desv.","ticktrefoil"
"DESO2","Descurainia sophia (L.) Webb ex Prantl","herb sophia"
"DEVI4","Desmodium viridiflorum (L.) DC.","velvetleaf ticktrefoil"
"DIAM","Diarrhena americana P. Beauv.","American beakgrain"
"DIANT","Dianthus L.","pink"
"DIAR","Dianthus armeria L.","Deptford pink"
"DIARR","Diarrhena P. Beauv.","beakgrain"
"DIBR2","Dicliptera brachiata (Pursh) Spreng.","branched foldwing"
"DICA3","Dichondra carolinensis Michx.","Carolina ponysfoot"
"DICA31","Dimorphocarpa candicans (Raf.) Rollins","Palmer's spectaclepod"
"DICA8","Digitaria californica (Benth.) Henr.","Arizona cottontop"
"DICEN","Dicentra Bernh.","bleeding heart"
"DICHA2","Dichanthelium (Hitchc. & Chase) Gould","rosette grass"
"DICHO","Dichondra J.R. Forst. & G. Forst.","ponysfoot"
"DICI","Digitaria ciliaris (Retz.) Koeler","southern crabgrass"
"DICLI","Dicliptera Juss.","foldwing"
"DICO6","Digitaria cognata (Schult.) Pilg.","Carolina crabgrass"
"LECO","Leptoloma cognatum (Schult.) Chase","fall witchgrass"
"DICU","Dicentra cucullaria (L.) Bernh.","dutchman's breeches"
"DIDI","Didiplis diandra (Nutt. ex DC.) Alph. Wood","waterpurslane"
"DIFI","Digitaria filiformis (L.) Koeler","slender crabgrass"
"DIFU2","Dipsacus fullonum L.","Fuller's teasel"
"DIGIT2","Digitaria Haller","crabgrass"
"DIIS","Digitaria ischaemum (Schreb.) Schreb. ex Muhl.","smooth crabgrass"
"DIMOR","Dimorphocarpa Rollins","spectaclepod"
"DIOB3","Diarrhena obovata (Gleason) Brandenburg","obovate beakgrain"
"DIODI","Diodia L.","buttonweed"
"DIOL","Dichanthelium oligosanthes (Schult.) Gould","Scribner's panicum, Heller's rosette grass"
"DIOSP","Diospyros L.","persimmon"
"DIPA9","Dirca palustris L.","eastern leatherwood"
"DIPSA","Dipsacus L.","teasel"
"DIRCA","Dirca L.","leatherwood"
"DISA","Digitaria sanguinalis (L.) Scop.","hairy crabgrass"
"DISP","Distichlis spicata (L.) Greene","inland saltgrass"
"DISP2","Dichanthelium sphaerocarpon (Elliott) Gould","roundseed panicgrass"
"PASP8","Panicum sphaerocarpon Elliott","roundseed panicgrasss"
"DISTI","Distichlis Raf.","saltgrass"
"DITE2","Diodia teres Walter","poorjoe"
"DIVI","Digitaria villosa (Walter) Pers.","shaggy crabgrass"
"DIVI2","Digitaria violascens Link","violet crabgrass"
"DIVI5","Diospyros virginiana L.","common persimmon, persimmon"
"DODEC","Dodecatheon L.","shootingstar"
"DOELL2","Doellingeria Nees","whitetop"
"DOME","Dodecatheon meadia L.","shooting star, pride of Ohio"
"DOSE","Doellingeria sericocarpoides Small","southern whitetop"
"DRACO3","Dracopis Cass.","coneflower"
"DRAM","Dracopis amplexicaulis (Vahl) Cass.","clasping coneflower, pinnate prairie coneflower"
"DRAP2","Draba aprica Beadle","openground draba"
"DRBR","Draba brachycarpa Nutt. ex Torr. & A. Gray","shortpod draba"
"DRBR3","Drosera brevifolia Pursh","dwarf sundew"
"DRCU","Draba cuneifolia Nutt. ex Torr. & A. Gray","wedgeleaf draba"
"DRFI2","Dryopteris filix-mas (L.) Schott","male fern"
"DRMA4","Dryopteris marginalis (L.) A. Gray","marginal woodfern"
"DROSE","Drosera L.","sundew"
"DRPL","Draba platycarpa Torr. & A. Gray","broadpod draba"
"DRRE2","Draba reptans (Lam.) Fernald","Carolina draba"
"DRYOP","Dryopteris Adans.","woodfern"
"DUAR3","Dulichium arundinaceum (L.) Britton","threeway sedge"
"DUIN","Duchesnea indica (Andrews) Focke, nom. illeg.","Indian strawberry"
"DYLI","Dyschoriste linearis (Torr. & A. Gray) Kuntze","polkadots"
"DYPA","Dyssodia papposa (Vent.) Hitchc.","fetid marigold"
"DYSCH","Dyschoriste Nees","snakeherb"
"DYSOD","Dysodiopsis (A. Gray) Rydb.","dogfennel"
"DYTA2","Dysodiopsis tagetoides (Torr. & A. Gray) Rydb.","false dogfennel"
"ECAN2","Echinacea angustifolia DC.","blacksamson"
"ECANA","Echinacea angustifolia DC. var. angustifolia","blacksamson echinacea"
"ECBE2","Echinodorus berteroi (Spreng.) Fassett","upright burrhead"
"ECCO2","Echinochloa colona (L.) Link","jungle rice"
"ECCO3","Echinodorus cordifolius (L.) Griseb.","creeping burrhead"
"ECCR","Echinochloa crus-galli (L.) P. Beauv.","barnyardgrass"
"ECCR2","Echinochloa crus-pavonis (Kunth) Schult.","gulf cockspur grass"
"ECHIN","Echinacea Moench","purple coneflower"
"ECHIN3","Echinocereus Engelm.","hedgehog cactus"
"ECHIN4","Echinochloa P. Beauv.","cockspur grass"
"ECHIN6","Echinodorus Rich. ex Engelm.","burrhead"
"ECHIU","Echium L.","vipersbugloss"
"ECLO","Echinocystis lobata (Michx.) Torr. & A. Gray","wild cucumber"
"ECMU2","Echinochloa muricata (P. Beauv.) Fernald","rough barnyardgrass"
"ECPA","Echinacea pallida (Nutt.) Nutt.","pale echinacea"
"ECPA2","Echinacea paradoxa (J.B.S. Norton) Britton","Bush's purple coneflower"
"ECPR","Eclipta prostrata (L.) L.","false daisy"
"ECRE","Echinocereus reichenbachii (Terscheck ex Walp.) hort ex Haage","lace hedgehog cactus"
"ECREB","Echinocereus reichenbachii (Terscheck ex Walp.) hort ex Haage var. baileyi (Rose) N.P. Taylor","Bailey's hedgehog cactus"
"ECTE","Echinocactus texensis Hopffer","horse crippler"
"ECTE2","Echinodorus tenellus (Mart. ex Schult. f.) Buchenau","mudbabies"
"ECVI2","Echinocereus viridiflorus Engelm.","nylon hedgehog cactus"
"ECVU","Echium vulgare L.","common vipersbugloss"
"ECWA","Echinochloa walteri (Pursh) A. Heller","coast cockspur grass"
"EGDE","Egeria densa Planch.","Brazilian waterweed"
"ELAM3","Elatine americana (Pursh) Arn.","American waterwort"
"ELAN","Elaeagnus angustifolia L.","Russian olive"
"ELATI","Elatine L.","waterwort"
"ELBR5","Elatine brachysperma A. Gray","shortseed waterwort"
"ELCA3","Elephantopus carolinianus Raeusch.","leafy elephantsfoot"
"ELCA4","Elymus canadensis L.","Canada wildrye"
"ELCA7","Elodea canadensis Michx.","Canadian waterweed"
"ELEL5","Elymus elymoides (Raf.) Swezey","squirreltail"
"ELEOC","Eleocharis R. Br.","spikerush"
"ELEPH","Elephantopus L.","elephantsfoot"
"ELEUS","Eleusine Gaertn.","goosegrass"
"ELIN3","Eleusine indica (L.) Gaertn.","Indian goosegrass"
"ELNU2","Elodea nuttallii (Planch.) H. St. John","western waterweed"
"ELNY","Ellisia nyctelea (L.) L.","Aunt Lucy"
"ELOB2","Eleocharis obtusa (Willd.) Schult.","blunt spikerush"
"ELODE","Elodea Michx.","waterweed"
"ELRE4","Elymus repens (L.) Gould","quackgrass"
"ELSU","Elymus submuticus (Hook.) Smyth & Smyth","Virginia wildrye"
"ELTE","Eleocharis tenuis (Willd.) Schult.","slender spikerush"
"ELTO","Eleocharis tortilis (Link) Schult.","twisted spikerush"
"ELVI","Elymus villosus Muhl. ex Willd.","hairy wildrye"
"ELVI3","Elymus virginicus L.","Virginia wildrye"
"ELYMU","Elymus L.","wildrye"
"ENBI","Enemion biternatum Raf.","eastern false rue anemone"
"ENDE","Enneapogon desvauxii Desv. ex P. Beauv.","nineawn pappusgrass"
"ENEMI","Enemion Raf.","false rue anemone"
"ENNEA","Enneapogon Desv. ex P. Beauv.","feather pappusgrass"
"ENPE4","Engelmannia peristenia (Raf.) Goodman & C.A. Lawson","Engelmann's daisy"
"ENPI","Engelmannia pinnatifida A. Gray ex Nutt.","Engelmann's daisy"
"EPAN","Ephedra antisyphilitica Berl. ex C.A. Mey.","Ephedra, clapweed"
"EPCI","Epilobium ciliatum Raf.","fringed willowherb"
"EPCO","Epilobium coloratum Biehler","purpleleaf willowherb"
"EPGI","Epipactis gigantea Douglas ex Hook.","stream orchid"
"EPHA","Epilobium halleanum Hausskn.","glandular willowherb"
"EPILO","Epilobium L.","willowherb"
"EPIPA","Epipactis Zinn","helleborine"
"EPSP","Ephemerum spinulosum Bruch & Schimp.","ephedra"
"EPVI2","Epifagus virginiana (L.) W.P.C. Barton","beechdrops"
"EQAR","Equisetum arvense L.","field horsetail"
"EQHY","Equisetum hyemale L.","scouringrush horsetail"
"EQLA","Equisetum laevigatum A. Braun","smooth horsetail"
"EQUIS","Equisetum L.","horsetail"
"ERAC4","Eriochloa acuminata (J. Presl) Kunth","tapertip cupgrass"
"ERAGR","Eragrostis von Wolf","lovegrass"
"ERAL9","Erythronium albidum Nutt.","white fawnlily"
"ERAN4","Eriogonum annuum Nutt.","annual buckwheat"
"ERBA2","Eragrostis barrelieri Daveau","Mediterranean lovegrass"
"ERBU","Erigenia bulbosa (Michx.) Nutt.","harbinger of spring"
"ERCA14","Erysimum capitatum (Douglas ex Hook.) Greene","sanddune wallflower"
"ERCA4","Erigeron canus A. Gray","hoary fleabane"
"ERCI","Eragrostis cilianensis (All.) Vign. ex Janchen","stinkgrass"
"ERCI6","Erodium cicutarium (L.) L'Hér. ex Aiton","redstem stork's bill"
"ERCO8","Eriochloa contracta Hitchc.","prairie cupgrass"
"ERCU","Eragrostis curtipedicellata Buckley","gummy lovegrass"
"ERCU2","Eragrostis curvula (Schrad.) Nees","weeping lovegrass"
"ERDE5","Eriocaulon decangulare L.","tenangle pipewort"
"ERECH","Erechtites Raf.","burnweed"
"ERELE","Eriogonum elatum Douglas ex Benth. var. elatum","tall buckwheat"
"ERHI2","Erechtites hieraciifolia (L.) Raf. ex DC., orth. var.","American burnweed"
"ERICA2","Ericameria Nutt.","goldenbush"
"ERIGE2","Erigeron L.","fleabane"
"ERIN","Eragrostis intermedia Hitchc.","plains lovegrass"
"ERIOC","Eriocaulon L.","pipewort"
"ERIOC2","Eriochloa Kunth","cupgrass"
"ERIOG","Eriogonum Michx.","buckwheat"
"ERION","Erioneuron Nash","woollygrass"
"ERKO","Eriocaulon koernickianum van Heurck & Müll. Arg.","gulf pipewort"
"ERLA3","Eriogonum lachnogynum Torr. ex Benth.","woollycup buckwheat"
"ERLE","Eragrostis lehmanniana Nees","Lehmann lovegrass"
"ERLE11","Eryngium leavenworthii Torr. & A. Gray","Leavenworth's eryngo"
"ERLO5","Eriogonum longifolium Nutt.","longleaf buckwheat"
"ERLU","Eragrostis lugens Nees","plains lovegrass"
"ERME15","Erythronium mesochoreum Knerr","midland fawnlily"
"ERMO2","Erigeron modestus A. Gray","plains fleabane"
"ERNA10","Ericameria nauseosa (Pall. ex Pursh) G.L. Nesom & Baird","rubber rabbitbrush"
"ERODI","Erodium L'Hér. ex Aiton","stork's bill"
"ERPE","Eragrostis pectinacea (Michx.) Nees ex Steud.","tufted lovegrass"
"ERPH","Erigeron philadelphicus L.","Philadelphia fleabane"
"ERPI5","Erioneuron pilosum (Buckley) Nash","hairy woollygrass"
"ERRE4","Erysimum repandum L.","spreading wallflower"
"ERRO5","Erythronium rostratum W. Wolf","yellow troutlily"
"ERSE","Eragrostis secundiflora J. Presl","red lovegrass"
"ERSE2","Eragrostis sessilispica Buckley","tumble lovegrass"
"ERSE5","Eriochloa sericea (Scheele) Munro ex Vasey","Texas cupgrass"
"ERSP","Eragrostis spectabilis (Pursh) Steud.","purple lovegrass"
"ERST3","Erigeron strigosus Muhl. ex Willd.","daisy fleabane"
"ERTE13","Erodium texanum A. Gray","Texas stork's bill"
"ERTE9","Eriogonum tenellum Torr.","tall buckwheat"
"ERTR3","Eragrostis trichodes (Nutt.) Alph. Wood","sand lovegrass"
"ERYNG","Eryngium L.","eryngo"
"ERYSI","Erysimum L.","wallflower"
"ERYTH3","Erythronium L.","fawnlily"
"ERYU","Eryngium yuccifolium Michx.","yuccaleaf eryngo"
"ESCOB","Escobaria Britton & Rose","foxtail cactus"
"ESMI3","Escobaria missouriensis (Sweet) D.R. Hunt","Missouri foxtail cactus"
"ESVI2","Escobaria vivipara (Nutt.) Buxbaum","spinystar"
"EUAL3","Eupatorium altissimum L.","tall eupatorium"
"EUAM7","Euonymus americana L., orth. var.","strawberry bush"
"EUAT3","Euonymus atropurpurea Jacq., orth. var.","eastern wahoo"
"EUBI2","Euphorbia bicolor Engelm. & A. Gray","snow on the prairie"
"EUCA5","Eupatorium capillifolium (Lam.) Small","dogfennel"
"EUCO7","Eupatorium compositifolium Walter","yankeeweed"
"EUCY","Euphorbia cyathophora Murray","fire on the mountain"
"EUEX5","Eustoma exaltatum (L.) Salisb. ex G. Don","catchfly prairie gentian"
"EUEXR","Eustoma exaltatum (L.) Salisb. ex G. Don ssp. russellianum (Hook.) Kartesz","showy prairie gentian"
"EUFI","Eupatorium fistulosum Barratt","trumpetweed"
"EUGR5","Euthamia graminifolia (L.) Nutt.","flat-top goldentop"
"EUGY","Euthamia gymnospermoides Greene","Texas goldentop"
"EUHE10","Eurybia hemispherica (Alexander) G.L. Nesom","southern prairie aster"
"EULE4","Euthamia leptocephala (Torr. & A. Gray) Greene ex Porter & Britton","bushy goldentop"
"EUMA8","Euphorbia marginata Pursh","snow on the mountain"
"EUONY2","Euonymus L.","spindletree"
"EUPAT","Eupatorium L.","thoroughwort"
"EUPHO","Euphorbia L.","spurge"
"EURYB","Eurybia (Cass.) Cass.","aster"
"EURYT","Eurytaenia Torr. & A. Gray","spreadwing"
"EUSP","Euphorbia spathulata Lam.","Euphorbia sp."
"EUSTO","Eustoma Salisb. ex G. Don","prairie gentian"
"EUTE5","Eurytaenia texana Torr. & A. Gray","Texas spreadwing"
"EUTHA","Euthamia Nutt. ex Cass.","goldentop"
"EVAX","Evax Gaertn.","pygmy cudweed"
"EVCA","Evax candida (Torr. & A. Gray) A. Gray","silver pygmycudweed"
"EVNU","Evolvulus nuttallianus Schult.","shaggy dwarf morning-glory"
"EVPI","Evolvulus pilosus Nutt.","wooly evolvulus"
"EVOLV","Evolvulus L.","dwarf morning-glory"
"EVPR","Evax prolifera Nutt. ex DC.","bighead pygmycudweed"
"EVVE","Evax verna Raf.","spring pygmycudweed"
"FACEL","Facelis Cass.","trampweed"
"FAES2","Fagopyrum esculentum Moench","buckwheat"
"FAGR","Fagus grandifolia Ehrh.","American beech"
"FAGUS","Fagus L.","beech"
"FAPA","Fallugia paradoxa (D. Don) Endl. ex Torr.","Apache plume"
"FARE","Facelis retusa (Lam.) Sch. Bip.","annual trampweed"
"FAVI","Fatoua villosa (Thunb.) Nakai","hairy crabweed"
"FAVU","Falcaria vulgaris Bernh.","sickleweed"
"FETR3","Festuca trachyphylla (Hack.) Krajina, nom. illeg.","hard fescue"
"FEPA2","Festuca paradoxa Desv.","clustered fescue"
"FESTU","Festuca L.","fescue"
"FESU3","Festuca subverticillata (Pers.) Alexeev","nodding fescue"
"FEVE","Festuca versuta Beal","Texas fescue"
"FIAN","Fimbristylis annua (All.) Roem. & Schult.","annual fimbry"
"FIMBR","Fimbristylis Vahl","fimbry"
"FIPU","Fimbristylis puberula (Michx.) Vahl","hairy fimbry"
"FLAVE","Flaveria Juss.","yellowtops"
"FLCA","Flaveria campestris J.R. Johnst.","alkali yellowtops"
"FLEIS2","Fleischmannia Sch. Bip.","thoroughwort"
"FLIN2","Fleischmannia incarnata (Walter) R.M. King & H. Rob.","pink thoroughwort"
"FOAC","Forestiera acuminata (Michx.) Poir.","eastern swampprivet"
"FOPU2","Forestiera pubescens Nutt.","stretchberry"
"FORES","Forestiera Poir.","swampprivet"
"FRAGA","Fragaria L.","strawberry"
"FRTE","Fraxinus texensis (A. Gray) Sarg.","Texas ash"
"FRAM2","Fraxinus americana L.","white ash"
"FRANG","Frangula Mill.","buckthorn"
"FRASE","Frasera Walter","green gentian"
"FRAXI","Fraxinus L.","ash"
"FRCA13","Frangula caroliniana (Walter) A. Gray","Carolina buckthorn"
"RHCA2","Rhamnus caroliniana Walter","carolina buckthorn, indian-cherry, yellow buckthorn, lanceleaf buckthorn"
"FRCA2","Frasera caroliniensis Walter","American columbo"
"FRDR","Froelichia drummondii Moq.","Drummond's snakecotton"
"FRFL","Froelichia floridana (Nutt.) Moq.","plains snakecotton"
"FRGR3","Froelichia gracilis (Hook.) Moq.","slender snakecotton"
"FROEL","Froelichia Moench","snakecotton"
"FRPE","Fraxinus pennsylvanica Marshall","green ash"
"FRQU","Fraxinus quadrangulata Michx.","blue ash"
"FRVI","Fragaria virginiana Duchesne","Virginia strawberry"
"FUBU","Fuirena bushii Kral","Bush's umbrella-sedge"
"FUCR","Funastrum crispum (Benth.) Schltr.","wavyleaf twinevine"
"FUCY","Funastrum cynanchoides (Decne.) Schltr.","fringed twinevine"
"FUIRE","Fuirena Rottb.","umbrella-sedge"
"FUNAS","Funastrum Fourn.","twinevine"
"FUSI","Fuirena simplex Vahl","western umbrella-sedge"
"FUSQ","Fuirena squarrosa Michx.","hairy umbrella-sedge"
"GAAR4","Galium arkansanum A. Gray","Arkansas bedstraw"
"GACI2","Galium circaezans Michx.","woods bedstraw"
"GAFA3","Gamochaeta falcata (Lam.) Cabrera","narrowleaf purple everlasting"
"GAILL","Gaillardia Foug.","blanketflower"
"GALAC","Galactia P. Br.","milkpea"
"GALIU","Galium L.","bedstraw"
"GAMOC","Gamochaeta Weddell","everlasting"
"GAPA2","Galinsoga parviflora Cav.","gallant-soldier"
"GAPU","Gaillardia pulchella Foug.","indian blanketflower, firewheel"
"GAPU3","Gamochaeta purpurea (L.) Cabrera","spoonleaf purple everlasting"
"GAQU","Galinsoga quadriradiata Cav.","shaggy-soldier"
"GARE2","Galactia regularis (L.) Britton, Sterns & Poggenb.","downy milkpea"
"GASP5","Galearis spectabilis (L.) Raf.","showy orchid"
"GAVI","Galium virgatum Nutt.","southwestern bedstraw"
"GEAL4","Gentiana alba Muhl. ex Nutt.","plain gentian"
"GECA5","Geranium carolinianum L.","Carolina geranium, carolina cranesbill"
"GECA7","Geum canadense Jacq.","white avens"
"GECAT","Geum canadense Jacq. var. texanum Fernald & Weath.","Texan avens"
"GENTI","Gentiana L.","gentian"
"GEPU5","Gentiana puberulenta J. Pringle","downy gentian"
"GERAN","Geranium L.","geranium"
"GESA","Gentiana saponaria L.","harvestbells"
"GEUM","Geum L.","avens"
"GEVE","Geum vernum (Raf.) Torr. & A. Gray","spring avens"
"GIRIA","Gilia rigidula Benth. ssp. acerosa (A. Gray) Wherry","bluebowls"
"GIRI","Gilia rigidula Benth.","bluebowls, longflower gilia"
"POST5","Porteranthus stipulatus (Muhl. ex Willd.) Britton","Indian physic"
"GLAND","Glandularia J.F. Gmel.","mock vervain"
"GLAR","Glyceria arkansana Fernald","Arkansas mannagrass"
"GLAUC","Glaucium Mill.","hornpoppy"
"GLBI2","Glandularia bipinnatifida (Nutt.) Nutt.","Dakota mock vervain"
"GLFL","Glaucium flavum Crantz","yellow hornpoppy"
"GLHE2","Glechoma hederacea L.","ground ivy"
"GLINU","Glinus L.","sweetjuice"
"GLLE3","Glycyrrhiza lepidota Pursh","American licorice"
"GLLO","Glinus lotoides L.","lotus sweetjuice"
"GLOSS","Glossopetalon A. Gray","greasebush"
"GLRA","Glinus radiatus (Ruiz & Pav.) Rohrb.","spreading sweetjuice"
"GLSE3","Glyceria septentrionalis Hitchc.","floating mannagrass"
"GLSP","Glossopetalon spinescens A. Gray","spiny greasebush"
"FOPL","Forsellesia planitierum Ensign","plains greasebush"
"GLPL","Glossopetalon planitierum (Ensign) H. St. John","plains greasebush"
"GLST","Glyceria striata (Lam.) Hitchc.","fowl mannagrass"
"GLTR","Gleditsia triacanthos L.","honey locust"
"GLYCE","Glyceria R. Br.","mannagrass"
"GLYCY","Glycyrrhiza L.","licorice"
"GOLA2","Gossypianthus lanuginosus (Poir.) Moq.","woolly cottonflower"
"GOODY","Goodyera R. Br.","rattlesnake plantain"
"GOPU","Goodyera pubescens (Willd.) R. Br.","downy rattlesnake plantain"
"GOSSY2","Gossypianthus Hook.","cottonflower"
"GRATI","Gratiola L.","hedgehyssop"
"GRBR","Gratiola brevifolia Raf.","sticky hedgehyssop"
"GRIND","Grindelia Willd.","gumweed"
"GRNE","Gratiola neglecta Torr.","clammy hedgehyssop"
"GRPA8","Grindelia papposa G.L. Nesom & Suh","wax goldenweed"
"HACI5","Haplopappus ciliatus (Nutt.) DC.","wax goldenweed"
"GRPI","Gratiola pilosa Michx.","shaggy hedgehyssop"
"GRSQ","Grindelia squarrosa (Pursh) Dunal","curlycup gumweed"
"GRVI","Gratiola virginiana L.","roundfruit hedgehyssop"
"GUDE","Guilleminea densa (Humb. & Bonpl. ex Schult.) Moq.","small matweed"
"GUILL","Guilleminea Kunth","matweed"
"GUSA2","Gutierrezia sarothrae (Pursh) Britton & Rusby","broom snakeweed"
"GUTE2","Gutierrezia texana (DC.) Torr. & A. Gray","Texas snakeweed"
"GUTIE","Gutierrezia Lag.","snakeweed"
"GYAM","Gymnopogon ambiguus (Michx.) Britton, Sterns & Poggenb.","bearded skeletongrass"
"GYBR","Gymnopogon brevifolius Trin.","shortleaf skeletongrass"
"GYDI","Gymnocladus dioicus (L.) K. Koch","Kentucky coffeetree"
"GYMNO2","Gymnocladus Lam.","coffeetree"
"GYMNO3","Gymnopogon P. Beauv.","skeletongrass"
"GYPA","Gypsophila paniculata L.","babysbreath gypsophila"
"GYPSO","Gypsophila L.","babysbreath"
"HABEN","Habenaria Willd.","bog orchid"
"HACKE","Hackelia Opiz","stickseed"
"HAGR4","Haploesthes greggii A. Gray","false broomweed"
"HAGRT","Haploesthes greggii A. Gray var. texana (J.M. Coult.) I.M. Johnst.","Texas false broomweed"
"HALES","Halesia Ellis ex L.","silverbell"
"HAMAM","Hamamelis L.","witchhazel"
"HARE","Habenaria repens Nutt.","waterspider bog orchid"
"HATE3","Halesia tetraptera Ellis","mountain silverbell"
"HAVE2","Hamamelis vernalis Sarg.","Ozark witchhazel"
"HAVI2","Hackelia virginiana (L.) I.M. Johnst.","beggarslice"
"HAVI4","Hamamelis virginiana L.","American witchhazel"
"HEAM","Helenium amarum (Raf.) H. Rock","bitter sneezeweed"
"HEAM6","Heuchera americana L.","American alumroot"
"HEAN3","Helianthus annuus L.","annual, common sunflower"
"HEAU","Helenium autumnale L.","common sneezeweed"
"HEBO","Hedysarum boreale Nutt.","boreal sweetvetch"
"HECA8","Heterotheca canescens (DC.) Shinners","hoary false goldenaster"
"HECO26","Hesperostipa comata (Trin. & Rupr.) Barkworth","needle and thread"
"HECO5","Heliotropium convolvulaceum (Nutt.) A. Gray","phlox heliotrope"
"STCO4","Stipa comata Trin. & Rupr.","needle & thread"
"HECU3","Heliotropium curassavicum L.","salt heliotrope"
"HEDEO","Hedeoma Pers.","false pennyroyal"
"HEDR","Hedeoma drummondii Benth.","Drummond's false pennyroyal"
"HEDU2","Heteranthera dubia (Jacq.) MacMill.","grassleaf mudplantain"
"HEDYO2","Hedyotis L.","starviolet"
"HEDYS","Hedysarum L.","sweetvetch"
"HEGE","Helianthemum georgianum Chapm.","Georgia frostweed"
"HEGR4","Helianthus grosseserratus M. Martens","Sawtooth sunflower"
"HEHE5","Heliopsis helianthoides (L.) Sweet","smooth oxeye"
"HEHI","Hedeoma hispida Pursh","rough false pennyroyal"
"HEHI2","Helianthus hirsutus Raf.","hairy sunflower"
"HEIN","Heliotropium indicum L.","Indian heliotrope"
"HELEN","Helenium L.","sneezeweed"
"HELI2","Heteranthera limosa (Sw.) Willd.","blue mudplantain"
"HELI4","Hemerocallis lilioasphodelus L.","yellow daylily"
"HELIA2","Helianthemum Mill.","frostweed"
"HELIA3","Helianthus L.","sunflower"
"HELIO3","Heliotropium L.","heliotrope"
"HEMA2","Helianthus maximiliani Schrad.","Maximilian sunflower"
"HEMER","Hemerocallis L.","daylily"
"HEMO2","Helianthus mollis Lam.","ashy sunflower"
"HEMU5","Heteranthera multiflora (Griseb.) Horn","bouquet mudplantain"
"HENE5","Hesperostipa neomexicana (Thurb. ex J.M. Coult.) Barkworth","New Mexico feathergrass"
"HEPR3","Heliotropium procumbens Mill.","fourspike heliotrope"
"HEPU","Hedeoma pulegioides (L.) Pers.","American false pennyroyal"
"HERE3","Hedeoma reverchonii (A. Gray) A. Gray","Reverchon's false pennyroyal"
"HERI","Heuchera richardsonii R. Br.","stiff sunflower"
"HERO2","Helianthemum rosmarinifolium Pursh","rosemary frostweed"
"HERO5","Heteranthera rotundifolia (Kunth) Griseb.","roundleaf mudplantain"
"HESP11","Hesperostipa spartea (Trin.) Barkworth","porcupinegrass"
"HESP3","Hexalectris spicata (Walter) Barnhart","spiked crested coralroot"
"HEST3","Heterotheca stenophylla (A. Gray) Shinners","narrowleaf goldaster, stiffleaf false goldenaster"
"HESTS","Heterotheca stenophylla (A. Gray) Shinners var. stenophylla","stiffleaf false goldenaster"
"HESU3","Heterotheca subaxillaris (Lam.) Britton & Rusby","camphorweed"
"HETE3","Heliotropium tenellum (Nutt.) Torr.","pasture heliotrope"
"HETER","Heteranthera Ruiz & Pav.","mudplantain"
"HETER8","Heterotheca Cass.","false goldenaster"
"HEUCH","Heuchera L.","alumroot"
"HEVI4","Heterotheca villosa (Pursh) Shinners","hairy false goldenaster"
"HEXAL","Hexalectris Raf.","crested coralroot"
"HIBIS2","Hibiscus L.","rosemallow"
"HIERA","Hieracium L.","hawkweed"
"HIGR3","Hieracium gronovii L.","queendevil"
"HILA2","Hibiscus laevis All.","halberdleaf rosemallow"
"HILO2","Hieracium longipilum Torr.","hairy hawkweed"
"HIMO","Hibiscus moscheutos L.","crimsoneyed rosemallow"
"HISC","Hieracium scabrum Michx.","rough hawkweed"
"HITR","Hibiscus trionum L.","flower of an hour"
"CADR6","Caesalpinia drepanocarpa (A. Gray) Fisher","sicklepod holdback"
"HOFFM","Hoffmannseggia Cav.","rushpea"
"HOGL2","Hoffmannseggia glauca (Ortega) Eifert","Indian rushpea"
"HOHU","Houstonia humifusa (A. Gray) A. Gray","matted bluet"
"HOIN","Hottonia inflata Elliott","American featherfoil"
"HOJU","Hordeum jubatum L.","foxtail barley"
"HOLA","Holcus lanatus L.","common velvetgrass"
"HOLCU","Holcus L.","velvetgrass"
"HOLO","Houstonia longifolia Gaertn.","longleaf summer bluet"
"HOMI4","Houstonia micrantha (Shinners) Terrell","southern bluet"
"HOOU","Houstonia ouachitana (E.B. Sm.) Terrell","Ouachita bluet"
"HOPU","Hordeum pusillum Nutt.","little barley"
"HOPU2","Houstonia purpurea L.","Venus' pride"
"HOPU3","Houstonia pusilla Schoepf","tiny bluet"
"HORDE","Hordeum L.","barley"
"HORO","Houstonia rosea (Raf.) Terrell","rose bluet"
"HOUM","Holosteum umbellatum L.","jagged chickweed"
"HOUST","Houstonia L.","bluet"
"HOVU","Hordeum vulgare L.","common barley"
"HULU","Humulus lupulus L.","common hop"
"HUMUL","Humulus L.","hop"
"HYAR","Hydrangea arborescens L.","wild hydrangea"
"HYBAN","Hybanthus Jacq.","greenviolet"
"HYCI3","Hydrangea cinerea Small","ashy hydrangea"
"HYCO6","Hybanthus concolor (T.F. Forst.) Spreng.","eastern greenviolet"
"HYDRA","Hydrangea L.","hydrangea"
"HYDRO3","Hydrolea L.","false fiddleleaf"
"HYDRO4","Hydrophyllum L.","waterleaf"
"HYFI","Hymenopappus filifolius Hook.","fineleaf hymenopappus"
"HYFL","Hymenopappus flavescens A. Gray","collegeflower"
"HYHI2","Hypoxis hirsuta (L.) Coville","common goldstar"
"HYHY","Hypericum hypericoides (L.) Crantz","St. Andrew's cross"
"HYLI","Hymenocallis liriosme (Raf.) Shinners","spring spiderlily"
"HYMEN2","Hymenocallis Salisb.","spiderlily"
"HYMEN7","Hymenoxys Cass.","rubberweed"
"HYCA9","Hymenocallis caroliniana auct. non (L.) Herbert","Carolina spiderlily"
"HYOD","Hymenoxys odorata DC.","bitter rubberweed"
"HYOV","Hydrolea ovata Nutt. ex Choisy","ovate false fiddleleaf"
"HYPE","Hypericum perforatum L.","common St. Johnswort"
"HYPER","Hypericum L.","St. Johnswort"
"HYPOX","Hypoxis L.","star-grass"
"HYRA","Hydrocotyle ranunculoides L. f.","floating marshpennywort"
"HYSC","Hymenopappus scabiosaeus L'Hér.","Carolina woollywhite"
"HYSE2","Hypoxis sessilis L.","glossyseed yellow star-grass"
"HYTE2","Hymenopappus tenuifolius Pursh","Chalk Hill hymenopappus"
"HYUM","Hydrocotyle umbellata L.","manyflower marshpennywort"
"HYUN","Hydrolea uniflora Raf.","oneflower false fiddleleaf"
"HYVE","Hybanthus verticillatus (Ortega) Baill.","babyslippers"
"HYVE2","Hydrocotyle verticillata Thunb.","whorled marshpennywort"
"HYVI","Hydrophyllum virginianum L.","Shawnee salad"
"IBERV","Ibervillea Greene","globeberry"
"IBLI","Ibervillea lindheimeri (A. Gray) Greene","Lindheimer's globeberry"
"ILAM","Ilex ambigua (Michx.) Torr.","Carolina holly"
"ILDE","Ilex decidua Walter","possumhaw"
"ILEX","Ilex L.","holly"
"ILOP","Ilex opaca Aiton","American holly"
"ILVO","Ilex vomitoria Aiton","yaupon"
"IMCA","Impatiens capensis Meerb.","jewelweed"
"IMPA","Impatiens pallida Nutt.","pale touch-me-not"
"IMPAT","Impatiens L.","touch-me-not"
"INDIG","Indigofera L.","indigo"
"INMI","Indigofera miniata Ortega","coastal indigo"
"INMIL","Indigofera miniata Ortega var. leptosepala (Nutt. ex Torr. & A. Gray) B.L. Turner","western indigo"
"IOLI2","Ionactis linariifolius (L.) Greene","flaxleaf whitetop aster"
"IONAC","Ionactis Greene","aster"
"IOPI","Iodanthus pinnatifidus (Michx.) Steud.","purplerocket"
"IPAG","Ipomopsis aggregata (Pursh) V.E. Grant","scarlet gilia"
"IPCO3","Ipomoea coccinea L.","redstar"
"IPHE","Ipomoea hederacea Jacq.","ivyleaf morning-glory"
"IPLA","Ipomoea lacunosa L.","whitestar"
"IPLA2","Ipomopsis laxiflora (J.M. Coult.) V.E. Grant","iron ipomopsis"
"IPLE","Ipomoea leptophylla Torr.","bush morninglory"
"IPLO2","Ipomopsis longiflora (Torr.) V.E. Grant","flaxflowered ipomopsis"
"IPNI","Ipomoea nil (L.) Roth","whiteedge morning-glory"
"IPOMO","Ipomoea L.","morning-glory"
"IPPA","Ipomoea pandurata (L.) G. Mey.","man of the earth"
"IPPU2","Ipomoea purpurea (L.) Roth","tall morning-glory"
"IPQU","Ipomoea quamoclit L.","cypressvine"
"IPRU2","Ipomopsis rubra (L.) Wherry","standing-cypress"
"IPSH","Ipomoea shumardiana (Torr.) Shinners","narrowleaf morning-glory"
"IPWR","Ipomoea wrightii A. Gray","Wright's morning-glory"
"IRBR2","Iris brevicaulis Raf.","zigzag iris"
"IRCR","Iris cristata Aiton","dwarf crested iris"
"IRESI","Iresine P. Br.","bloodleaf"
"IRIS","Iris L.","iris"
"IRRH","Iresine rhizomatosa Standl.","Juda's bush"
"IRVI","Iris virginica L.","Virginia iris"
"IRVIS","Iris virginica L. var. shrevei (Small) E.S. Anderson","Shreve's iris"
"ISBU","Isoetes butleri Engelm.","limestone quillwort"
"ISCA6","Isolepis carinata Hook. & Arn. ex Torr.","keeled bulrush"
"ISME","Isoetes melanopoda Gay & Durieu ex Durieu","blackfoot quillwort"
"ISOET","Isoetes L.","quillwort"
"ISOLE","Isolepis R. Br.","bulrush"
"ISOTR","Isotria Raf.","fiveleaf orchid"
"ISVE","Isotria verticillata Raf.","purple fiveleaf orchid"
"ITEA","Itea L.","sweetspire"
"ITVI","Itea virginica L.","Virginia sweetspire"
"IVA","Iva L.","marshelder, sump weed"
"IVAN2","Iva annua L.","sumpweed, annual marshelder"
"JUAC","Juncus acuminatus Michx.","tapertip rush"
"JUAM","Justicia americana (L.) Vahl","American water-willow"
"JUBA","Juncus balticus Willd.","Baltic rush"
"JUBAM","Juncus balticus Willd. var. montanus Engelm.","mountain rush"
"JUAS","Juniperus ashei J. Buchholz","Ashe's juniper"
"JUBR","Juncus brachycarpus Engelm.","whiteroot rush"
"JUBU","Juncus bufonius L.","toad rush"
"JUCA5","Juncus capitatus Weigel","leafybract dwarf rush"
"JUCO4","Juncus coriaceus Mack.","leathery rush"
"JUDI","Juncus dichotomus Elliott","forked rush"
"JUDI2","Juncus diffusissimus Buckley","slimpod rush"
"JUDU2","Juncus dudleyi Wiegand","Dudley's rush"
"JUEF","Juncus effusus L.","common rush"
"JUEFS","Juncus effusus L. var. solutus Fernald & Wiegand","lamp rush"
"JUFI2","Juncus filipendulus Buckley","ringseed rush"
"JUGLA","Juglans L.","walnut"
"JUIN2","Juncus interior Wiegand","inland rush"
"JUMA4","Juncus marginatus Rostk.","grassleaf rush"
"JUMO","Juniperus monosperma (Engelm.) Sarg.","one-seeded juniper"
"JUNCU","Juncus L.","rush"
"JUNI","Juglans nigra L.","black walnut"
"JUNIP","Juniperus L.","juniper"
"JUNO","Juncus nodatus Coville","stout rush"
"JUOV","Justicia ovata (Walter) Lindau","looseflower water-willow"
"JUPI","Juniperus pinchotii Sudw.","Pinchot's juniper"
"JURE2","Juncus repens Michx.","lesser creeping rush"
"JUSC","Juncus scirpoides Lam.","needlepod rush"
"JUSC2","Juniperus scopulorum Sarg.","Rocky Mountain juniper"
"JUSE","Juncus secundus P. Beauv. ex Poir.","lopsided rush"
"JUSTI","Justicia L.","water-willow"
"JUTE","Juncus tenuis Willd.","poverty rush"
"JUTE3","Juncus texanus (Engelm.) Coville","Texas rush"
"JUTO","Juncus torreyi Coville","Torrey's rush"
"JUVA2","Juncus validus Coville","roundhead rush"
"JUVI","Juniperus virginiana L.","eastern redcedar"
"KALLS","Kallstroemia Scop.","caltrop"
"KAPA","Kallstroemia parviflora J.B.S. Norton","warty caltrop"
"KICKX","Kickxia Dumort.","cancerwort"
"KIEL","Kickxia elatine (L.) Dumort.","sharpleaf cancerwort"
"KOMA","Koeleria macrantha (Ledeb.) Schult.","junegrass"
"KRAME","Krameria L.","ratany"
"KRBI","Krigia biflora (Walter) S.F. Blake","twoflower dwarfdandelion"
"KRCA","Krigia caespitosa (Raf.) K.L. Chambers","weedy dwarfdandelion"
"KRDA","Krigia dandelion (L.) Nutt.","potato dwarfdandelion"
"KRIGI","Krigia Schreb.","dwarfdandelion"
"KRLA","Krameria lanceolata Torr.","trailing ratany"
"KRLA2","Krascheninnikovia lanata (Pursh) A. Meeuse & Smit","winterfat"
"KROC","Krigia occidentalis Nutt.","western dwarfdandelion"
"KRVI","Krigia virginica (L.) Willd.","Virginia dwarfdandelion"
"KUST","Kummerowia stipulacea (Maxim.) Makino","Korean clover"
"LEST3","Lespedeza stipulacea Maxim.","Korean lespedeza"
"KUST2","Kummerowia striata (Thunb.) Schindl.","Japanese clover"
"KYBR","Kyllinga brevifolia Rottb.","shortleaf spikesedge"
"KYLLI2","Kyllinga Rottb.","spikesedge"
"KYOD","Kyllinga odorata Vahl","fragrant spikesedge"
"KYPU","Kyllinga pumila Michx.","low spikesedge"
"LAAM","Lamium amplexicaule L.","henbit deadnettle"
"LACA","Lactuca canadensis L.","Canada lettuce"
"LACA2","Lantana camara L.","lantana"
"LACA3","Laportea canadensis (L.) Weddell","Canadian woodnettle"
"LACO3","Lapsana communis L.","common nipplewort"
"LACTU","Lactuca L.","lettuce"
"LAEU","Lathyrus eucosmus Butters & H. St. John","bush vetchling"
"LAFL","Lactuca floridana (L.) Gaertn.","woodland lettuce"
"LAHI2","Lathyrus hirsutus L.","Caley pea"
"LALA4","Lathyrus latifolius L.","perennial pea"
"LALU","Lactuca ludoviciana (Nutt.) Riddell","biannual lettuce"
"LAMIU","Lamium L.","deadnettle"
"LAOC3","Lappula occidentalis (S. Watson) Greene","flatspine stickseed"
"LAPA4","Lathyrus palustris L.","marsh pea"
"LAPO2","Lathyrus polymorphus Nutt.","manystem pea"
"LAPOI","Lathyrus polymorphus Nutt. ssp. incanus (J.G. Sm. & Rydb.) C.L. Hitchc.","hoary pea"
"LAPPU","Lappula Moench","stickseed"
"LAPSA","Lapsana L.","nipplewort"
"SPPU4","Spirodela punctata (G. Mey.) C.H. Thomp.","dotted duckmeat"
"LAPU2","Lamium purpureum L.","purple deadnettle"
"LAPU3","Lathyrus pusillus Elliott","tiny pea"
"LASA","Lactuca saligna L.","willowleaf lettuce"
"LASA3","Lactuca sativa L.","garden lettuce"
"LASE","Lactuca serriola L.","prickly lettuce"
"LATA","Lactuca tatarica (L.) C.A. Mey.","blue lettuce"
"LATHY","Lathyrus L.","pea"
"LAVE","Lathyrus venosus Muhl. ex Willd.","veiny pea"
"LEAN2","Lesquerella angustifolia (Nutt. ex Torr. & A. Gray) S. Watson","threadleaf bladderpod"
"LEAU","Leavenworthia aurea Torr.","golden gladecress"
"LEAU4","Lesquerella auriculata (Engelm. & A. Gray) S. Watson","earleaf bladderpod"
"LEAVE","Leavenworthia Torr.","gladecress"
"LECA2","Leonurus cardiaca L.","common motherwort"
"LECA8","Lespedeza capitata Michx.","roundhead lespedeza"
"LECHE","Lechea L.","pinweed"
"LECU","Lespedeza cuneata (Dum. Cours.) G. Don","sericea lespedeza"
"LEDU","Leptochloa dubia (Kunth) Nees","green sprangletop"
"LEERS","Leersia Sw.","cutgrass"
"LEFE","Lesquerella fendleri (A. Gray) S. Watson","Fendler's bladderpod"
"LEFR5","Lespedeza frutescens (L.) Hornem.","shrubby lespedeza"
"LEFU21","Leptochloa fusca (L.) Kunth","Malabar sprangletop"
"LEFUF","Leptochloa fusca (L.) Kunth ssp. fascicularis (Lam.) N. Snow","bearded sprangletop"
"LEFUU","Leptochloa fusca (L.) Kunth ssp. uninervia (J. Presl) N. Snow","Mexican sprangletop"
"LEGI","Lemna gibba L.","swollen duckweed"
"LEGO","Lesquerella gordonii (A. Gray) S. Watson","Gordon's bladderpod"
"LEGOG","Lesquerella gordonii (A. Gray) S. Watson var. gordonii","Gordon's bladderpod"
"LEGR2","Lesquerella gracilis (Hook.) S. Watson","spreading bladderpod"
"LEGRN","Lesquerella gracilis (Hook.) S. Watson ssp. nuttallii (Torr. & A. Gray) Rollins & Shaw","Nuttall's bladderpod"
"LEHI2","Lespedeza hirta (L.) Hornem.","hairy lespedeza"
"LELE2","Leersia lenticularis Michx.","catchfly grass"
"LELU","Lesquerella ludoviciana (Nutt.) S. Watson","foothill bladderpod"
"LEMI3","Lemna minor L.","common duckweed"
"LEMI6","Lemna minuta Kunth","least duckweed"
"LEMNA","Lemna L.","duckweed"
"LEMU","Leucospora multifida (Michx.) Nutt.","narrowleaf paleseed"
"LEMU3","Lechea mucronata Raf.","hairy pinweed"
"LEOB2","Lemna obscura (Austin) Daubs","little duckweed"
"LEONU","Leonurus L.","motherwort"
"LEOR","Leersia oryzoides (L.) Sw.","rice cutgrass"
"LEOV","Lesquerella ovalifolia Rydb. ex Britton","roundleaf bladderpod"
"LEPA6","Leptochloa panicea (Retz.) Ohwi","mucronate sprangletop"
"LEPE","Lemna perpusilla Torr.","minute duckweed"
"LEPID","Lepidium L.","pepperweed"
"LEPR","Lespedeza procumbens Michx.","trailing lespedeza"
"LEPTO","Leptochloa P. Beauv.","sprangletop"
"LEPTO20","Leptopus Decne.","maidenbush"
"LERE2","Lespedeza repens (L.) W.P.C. Barton","creeping lespedeza"
"LESI","Leonurus sibiricus L.","honeyweed"
"LESP","Lepuropetalon spathulatum Elliott","petiteplant"
"LESPE","Lespedeza Michx.","lespedeza"
"LESQU","Lesquerella S. Watson","bladderpod"
"LEST5","Lespedeza stuevei Nutt.","tall lespedeza"
"LETE","Lechea tenuifolia Michx.","narrowleaf pinweed"
"LETU2","Lemna turionifera Landolt","turion duckweed"
"LEUCA4","Leucanthemum Mill.","daisy"
"LEVA","Lemna valdiviana Phil.","valdivia duckweed"
"LEVI2","Leersia virginica Willd.","whitegrass"
"LEVI3","Lepidium virginicum L.","peppergrass, Virginia pepperweed"
"LEVI6","Lespedeza violacea (L.) Pers.","violet lespedeza"
"LEVI7","Lespedeza virginica (L.) Britton","slender lespedeza"
"LEVU","Leucanthemum vulgare Lam.","oxeye daisy"
"LIAR","Limnodea arkansana (Nutt.) L.H. Dewey","Ozark grass"
"LIAR6","Lipocarpha aristulata (Coville) G. Tucker","awned halfchaff sedge"
"LIAS","Liatris aspera Michx.","tall blazing star, Tall gayfeather"
"LIATR","Liatris Gaertn. ex Schreb.","gayfeather, blazing star"
"LIAU3","Listera australis Lindl.","southern twayblade"
"LIBE3","Lindera benzoin (L.) Blume","northern spicebush"
"LIDA","Linaria dalmatica (L.) Mill.","Dalmatian toadflax"
"LIDR3","Lipocarpha drummondii (Nees) G. Tucker","Drummond's halfchaff sedge"
"LIDU","Lindernia dubia (L.) Pennell","yellowseed false pimpernel"
"LIGUS2","Ligustrum L.","privet"
"LIIN2","Lithospermum incisum Lehm.","yellow pucoon, narrowleaf stoneseed, gromwell"
"LILI3","Liparis liliifolia (L.) Rich. ex Ker Gawl.","brown widelip orchid"
"LILI4","Limonium limbatum Small","Transpecos sealavender"
"LILIU","Lilium L.","lily"
"LIMI12","Lipocarpha micrantha (Vahl) G. Tucker","smallflower halfchaff sedge"
"LIMI9","Lilium michiganense Farw.","Michigan lily"
"LIMNO","Limnobium Rich.","spongeplant"
"LIMNO3","Limnosciadium Mathias & Constance","dogshade"
"LIMON","Limonium Mill.","sealavender"
"LINAR","Linaria Mill.","toadflax"
"LINDE","Lindernia All.","false pimpernel"
"LINDE2","Lindera Thunb.","spicebush"
"LINUM","Linum L.","flax"
"LIPAR","Liparis Rich.","widelip orchid"
"LIPI2","Limnosciadium pinnatum (DC.) Mathias & Constance","tansy dogshade"
"LIPOC","Lipocarpha R. Br.","halfchaff sedge"
"LIPU","Liatris punctata Hook.","dotted gayfeather, blazing star"
"LIPY","Liatris pycnostachya Michx.","prairie blazingstar"
"LIRIR","Linum rigidum Pursh var. rigidum","stiffstem flax"
"LISC2","Liatris scariosa (L.) Willd.","spotted gayfeather"
"LISI","Ligustrum sinense Lour.","Chinese privet"
"LISP2","Limnobium spongia (Bosc) Rich. ex Steud.","American spongeplant"
"LIST2","Liquidambar styraciflua L.","sweetgum"
"LISTE","Listera R. Br.","twayblade"
"LITE3","Lindheimera texana A. Gray & Engelm.","Texas yellowstar"
"LITHO3","Lithospermum L.","pucoon, stoneseed"
"LIVU2","Linaria vulgaris Mill.","butter and eggs"
"LOAL","Lonicera albiflora Torr. & A. Gray","western white honeysuckle"
"LOCA2","Lobelia cardinalis L.","cardinalflower"
"LOCO6","Lotus corniculatus L.","birdfoot deervetch"
"LODI2","Lonicera dioica L.","limber honeysuckle"
"LOFL","Lonicera flava Sims","yellow honeysuckle"
"LOFO","Lomatium foeniculaceum (Nutt.) J.M. Coult. & Rose","desert biscuitroot"
"LOIN","Lobelia inflata L.","Indian-tobacco"
"LOJA","Lonicera japonica Thunb.","Japanese honeysuckle"
"LOLIU","Lolium L.","ryegrass"
"LOMAT","Lomatium Raf.","desertparsley"
"LONIC","Lonicera L.","honeysuckle"
"LOOR","Lomatium orientale J.M. Coult. & Rose","Northern Idaho biscuitroot"
"LOPE","Lolium perenne L.","perennial ryegrass"
"LOPEM2","Lolium perenne L. ssp. multiflorum (Lam.) Husnot","Italian ryegrass"
"LORE5","Lonicera reticulata Raf.","grape honeysuckle"
"LOSE","Lonicera sempervirens L.","trumpet honeysuckle"
"LOSQ","Loeflingia squarrosa Nutt.","spreading pygmyleaf"
"LOTE2","Lolium temulentum L.","Darnel ryegrass"
"LOTUS","Lotus L.","trefoil"
"LOUN","Lotus unifoliolatus (Hook.) Benth.","American bird's-foot trefoil"
"LOAM5","Lotus americanus (Nutt.) Bisch., non Vell.","American deervetch"
"LUAL2","Ludwigia alternifolia L.","seedbox"
"LUAR3","Lupinus argenteus Pursh","silvery lupine"
"LUBU","Luzula bulbosa (Alph. Wood) Smyth & Smyth","bulbous woodrush"
"LUDE4","Ludwigia decurrens Walter","wingleaf primrose-willow"
"LUDWI","Ludwigia L.","primrose-willow"
"LUEC","Luzula echinata (Small) F.J. Herm.","hedgehog woodrush"
"LUGL","Ludwigia glandulosa Walter","cylindricfruit primrose-willow"
"LUUR","Ludwigia uruguayensis (Camb.) H. Hara","Uruguayan primrose-willow"
"LUHI","Ludwigia hirtella Raf.","spindleroot"
"LULE4","Ludwigia leptocarpa (Nutt.) H. Hara","anglestem primrose-willow"
"LULI","Ludwigia linearis Walter","narrowleaf primrose-willow"
"LUPA","Ludwigia palustris (L.) Elliott","marsh seedbox"
"LUPE5","Ludwigia peploides (Kunth) P.H. Raven","floating primrose-willow"
"LUPIN","Lupinus L.","lupine"
"LUPL","Lupinus plattensis S. Watson","Nebraska lupine"
"LUPU","Lupinus pusillus Pursh","rusty lupine"
"LURE2","Ludwigia repens J.R. Forst.","creeping primrose-willow"
"LUTE","Lupinus texensis Hook.","Texas lupine"
"LUZUL","Luzula DC.","woodrush"
"LYAL4","Lythrum alatum Pursh","winged lythrum"
"LYAM","Lycopus americanus Muhl. ex W.P.C. Barton","American water horehound"
"LYAP4","Lycopodiella appressa (Chapm.) Cranfill","southern bog clubmoss"
"LYBA4","Lycium barbarum L.","matrimony vine"
"LYBE","Lycium berlandieri Dunal","Berlandier's wolfberry"
"LYCA4","Lythrum californicum Torr. & A. Gray","California loosestrife"
"LYCH","Lycium chinense Mill.","Chinese desert-thorn"
"LYCI","Lysimachia ciliata L.","fringed loosestrife"
"LYCIU","Lycium L.","desert-thorn"
"LYCOP4","Lycopus L.","waterhorehound"
"LYCOP6","Lycopodiella Holub","clubmoss"
"LYCUR","Lycurus Kunth","wolfstail"
"LYGOD","Lygodesmia D. Don","skeletonplant"
"LYHY","Lysimachia hybrida Michx.","lowland yellow loosestrife"
"LYJU","Lygodesmia juncea (Pursh) D. Don ex Hook.","rush skeletonplant"
"LYLA","Lysimachia lanceolata Walter","lanceleaf loosestrife"
"LYLI","Lyonia ligustrina (L.) DC.","maleberry"
"LYMA2","Lyonia mariana (L.) D. Don","piedmont staggerbush"
"LYONI","Lyonia Nutt.","staggerbush"
"LYPA","Lycium pallidum Miers","pale desert-thorn"
"LYPH","Lycurus phleoides Kunth","common wolfstail"
"LYQU","Lysimachia quadriflora Sims","fourflower yellow loosestrife"
"LYRA3","Lysimachia radicans Hook.","trailing yellow loosestrife"
"LYRU","Lycopus rubellus Moench","taperleaf water horehound"
"LYSA2","Lythrum salicaria L.","purple loosestrife"
"LYSE3","Lycurus setosus (Nutt.) C.G. Reeder","bristly wolfstail"
"LYSIM","Lysimachia L.","yellow loosestrife"
"LYTE","Lygodesmia texana (Torr. & A. Gray) Greene","Texas skeletonplant"
"LYTE2","Lysimachia terrestris (L.) Britton, Sterns & Poggenb.","earth loosestrife"
"LYTHR","Lythrum L.","loosestrife"
"LYUN","Lycopus uniflorus Michx.","northern bugleweed"
"LYVI4","Lycopus virginicus L.","Virginia water horehound"
"MAAC","Magnolia acuminata (L.) L.","cucumber-tree"
"MABA3","Matelea baldwyniana (Sweet) Woodson","Baldwin's milkvine"
"MABI","Machaeranthera bigelovii (A. Gray) Greene","Bigelow's tansyaster"
"MABI6","Matelea biflora (Raf.) Woodson","star milkvine"
"MACA2","Machaeranthera canescens (Pursh) A. Gray","hoary tansyaster"
"MACA7","Marshallia caespitosa Nutt. ex DC.","puffballs"
"MACHA","Machaeranthera Nees","tansyaster"
"MACY3","Matelea cynanchoides (Engelm.) Woodson","prairie milkvine"
"MADE3","Matelea decipiens (Alexander) Woodson","oldfield milkvine"
"MADI6","Matricaria discoidea DC.","disc mayweed"
"MAGNO","Magnolia L.","magnolia"
"MAGO","Matelea gonocarpos (Walter) Shinners","angularfruit milkvine"
"MAHE2","Mammillaria heyderi Muehlenpf.","little nipple cactus"
"MAHI","Malvastrum hispidum (Pursh) Hochr.","hispid false mallow"
"MAIAN","Maianthemum F.H. Wigg.","mayflower"
"MAIO","Malus ioensis (Alph. Wood) Britton","prairie crabapple"
"MALAX","Malaxis Sol. ex Sw.","adder's-mouth orchid"
"MALE3","Malvella leprosa (Ortega) Krapov.","alkali mallow"
"MALUS","Malus Mill.","apple"
"MALVA","Malva L.","mallow"
"MALVA2","Malvastrum A. Gray","false mallow"
"MALVE","Malvella Jaubert & Spach","mallow"
"MAMMI","Mammillaria Haw.","globe cactus"
"MANE","Malva neglecta Wallr.","common mallow"
"MANFR","Manfreda Salisb.","tuberose"
"MAPI","Machaeranthera pinnatifida (Hook.) Shinners","lacy tansyaster"
"MAPO","Maclura pomifera (Raf.) C.K. Schneid.","Osage orange, bodark, hedgeapple, horseapple, bois d' arc"
"MARO11","Malva rotundifolia L., nom. utique rej.","low mallow"
"MAPU7","Mazus pumilus (Burm. f.) Steenis","Japanese mazus"
"MARA7","Maianthemum racemosum (L.) Link","feathery false lily of the vally"
"MARSH","Marshallia Schreb.","Barbara's buttons"
"MARSI","Marsilea L.","waterclover"
"MAST4","Maianthemum stellatum (L.) Link","starry false lily of the vally"
"MATA2","Machaeranthera tanacetifolia (Kunth) Nees","tanseyleaf tansyaster"
"MATEL","Matelea Aubl.","milkvine"
"MATR","Magnolia tripetala (L.) L.","umbrella-tree"
"MATRI","Matricaria L.","mayweed"
"MAUN","Malaxis unifolia Michx.","green adder's-mouth orchid"
"MAVE2","Marsilea vestita Hook. & Grev.","hairy waterclover"
"MAVI5","Manfreda virginica (L.) Salisb. ex Rose","false aloe"
"MAVU","Marrubium vulgare L.","horehound"
"MEAC","Mecardonia acuminata (Walter) Small","axilflower"
"MEAL","Melica altissima L.","Siberian melicgrass"
"MEAR","Medicago arabica (L.) Huds.","spotted medick"
"MEAZ","Melia azedarach L.","Chinaberrytree"
"MECA3","Menispermum canadense L.","common moonseed"
"MECI","Melampodium cinereum DC.","rock daisy"
"MEIN2","Melilotus indicus (L.) All.","annual yellow sweetclover"
"MELAM","Melampodium L.","blackfoot"
"MELE2","Melampodium leucanthum Torr. & A. Gray","plains blackfoot"
"MELIC","Melica L.","melicgrass"
"MELIL","Melilotus Mill.","sweetclover"
"MELIS","Melissa L.","balm"
"MELU","Medicago lupulina L.","black medick"
"MEMI","Medicago minima (L.) L.","burr medick"
"MEMU","Melica mutica Walter","twoflower melicgrass"
"MENI","Melica nitens (Scribn.) Nutt. ex Piper","threeflower melicgrass"
"MENIS","Menispermum L.","moonseed"
"MENTH","Mentha L.","mint"
"MENTZ","Mentzelia L.","blazingstar"
"MENUS","Mentzelia nuda (Pursh) Torr. & A. Gray var. stricta (Osterh.) Harrington","bractless blazingstar"
"MEOF","Melilotus officinalis (L.) Lam.","yellow sweetclover"
"MEOF2","Melissa officinalis L.","common balm"
"MEOR2","Medicago orbicularis (L.) Bartal.","blackdisk medick"
"MEPE3","Melothria pendula L.","Guadeloupe cucumber"
"MEPI","Mentha ×piperita L. (pro sp.) [aquatica × spicata]","peppermint"
"MEPO3","Medicago polymorpha L.","burclover"
"MESA","Medicago sativa L.","alfalfa"
"MESP3","Mentha spicata L.","spearmint"
"MEST3","Mentzelia strictissima (Wooton & Standl.) J. Darl.","sand lily"
"MIAL2","Mimulus alatus Aiton","sharpwing monkeyflower"
"MIAL4","Mirabilis albida (Walter) Heimerl","white four o'clock"
"MIBO2","Mimosa borealis A. Gray","fragrant mimosa"
"MICRO18","Microthlaspi F.K. Mey.","pennycress"
"MIDR","Minuartia drummondii (Shinners) McNeill","Drummond's stitchwort"
"MIGI","Mirabilis gigantea (Standl.) Shinners","giant four o'clock"
"MIGL","Mimulus glabratus Kunth","roundleaf monkeyflower"
"MIGL3","Mirabilis glabra (S. Watson) Standl.","smooth four o'clock"
"MIGLJ","Mimulus glabratus Kunth var. jamesii (Torr. & A. Gray ex Benth.) A. Gray","James' monkeyflower"
"MIGLO","Mimulus glabratus Kunth var. oklahomensis Fassett","Oklahoma monkeyflower"
"MIHI","Mirabilis hirsuta (Pursh) MacMill.","hairy four o'clock"
"MIJA","Mirabilis jalapa L.","marvel of Peru"
"MIKAN","Mikania Willd.","hempvine"
"MILI3","Mirabilis linearis (Pursh) Heimerl","narrowleaf four o'clock"
"MIMI2","Minuartia michauxii (Fenzl) Farw.","Michaux's stitchwort"
"MIMIT","Minuartia michauxii (Fenzl) Farw. var. texana (B.L. Rob.) Mattf.","Texas stitchwort"
"MIMU6","Minuartia muscorum (Fassett) Rabeler","Dixie stitchwort"
"MIMUL","Mimulus L.","monkeyflower"
"MINU6","Mimosa nuttallii (DC. ex Britton & Rose) B.L. Turner","Nuttall's sensitive-briar"
"MIQUN2","Mimosa quadrivalvis L. var. nuttallii (DC. ex Britton & Rose) L.S. Beard ex Barneby","catclaw sensitivebriar"
"MINUA","Minuartia L.","stitchwort"
"MINY","Mirabilis nyctaginea (Michx.) MacMill.","heartleaf four o'clock"
"MIOX","Mirabilis oxybaphoides (A. Gray) A. Gray","smooth spreading four o'clock"
"MIPA6","Minuartia patula (Michx.) Mattf.","pitcher's stitchwort"
"MIPE3","Mitreola petiolata (J.F. Gmel.) Torr. & A. Gray","lax hornpod"
"MIPE8","Microthlaspi perfoliatum (L.) F.K. Mey.","claspleaf pennycress"
"MIRAB","Mirabilis L.","four o'clock"
"MIRE","Mitchella repens L.","partridgeberry"
"MISC","Mikania scandens (L.) Willd.","climbing hempvine"
"MISE3","Mitreola sessilifolia (J.F. Gmel.) G. Don","swamp hornpod"
"MITRE","Mitreola L.","hornpod"
"MOAL","Morus alba L.","white mulberry"
"MOBA","Momordica balsamina L.","southern balsampear"
"MOCA","Modiola caroliniana (L.) G. Don","Carolina bristlemallow"
"MOCE2","Morella cerifera (L.) Small","wax myrtle"
"MOCI","Monarda citriodora Cerv. ex Lag.","lemon beebalm, lemon mint, lemon horsemint"
"MODIO","Modiola Moench","bristlemallow"
"MOHY3","Monotropa hypopitys L.","pinesap"
"MOLLU","Mollugo L.","carpetweed"
"MOMI","Morus microphylla Buckley","Texas mulberry"
"MONAR","Monarda L.","beebalm"
"MONOL","Monolepis Schrad.","povertyweed"
"MONU","Monolepis nuttalliana (Schult.) Greene","Nuttall's povertyweed"
"MOPE","Monarda pectinata Nutt.","plains beebalm"
"MOREL2","Morella Lour.","bayberry"
"MORU2","Morus rubra L.","red mulberry"
"MORUS","Morus L.","mulberry"
"MOUN3","Monotropa uniflora L.","Indianpipe"
"MOVE","Mollugo verticillata L.","green carpetweed"
"MUAR2","Muhlenbergia arenicola Buckley","sand muhly"
"MUAS","Muhlenbergia asperifolia (Nees & Meyen ex Trin.) Parodi","scratchgrass"
"MUBU","Muhlenbergia bushii Pohl","nodding muhly"
"MUCA2","Muhlenbergia capillaris (Lam.) Trin.","hairawn muhly"
"MUCU","Muhlenbergia curtifolia Scribn.","Plains muhly"
"MUFR2","Muhlenbergia frondosa (Poir.) Fernald","wirestem muhly"
"MUHLE","Muhlenbergia Schreb.","muhly"
"MUME2","Muhlenbergia mexicana (L.) Trin.","Mexican muhly"
"MUPO2","Muhlenbergia porteri Scribn. ex Beal","bush muhly"
"MURA","Muhlenbergia racemosa (Michx.) Britton, Sterns & Poggenb.","marsh muhly"
"MURE2","Muhlenbergia reverchonii Vasey & Scribn.","seep muhly"
"MUSC","Muhlenbergia schreberi J.F. Gmel.","nimblewill"
"MUSO","Muhlenbergia sobolifera (Muhl. ex Willd.) Trin.","rock muhly"
"MOSQ","Monroa squarrosa (Nutt.) Torr., orth. rej.","false buffalograss"
"MUSY","Muhlenbergia sylvatica (Torr.) Torr. ex A. Gray","woodland muhly"
"MUTE","Muhlenbergia tenuiflora (Willd.) Britton, Sterns & Poggenb.","slender muhly"
"MUTO2","Muhlenbergia torreyi (Kunth) Hitchc. ex Bush","ring muhly"
"MUWR","Muhlenbergia wrightii Vasey ex J.M. Coult.","spike muhly"
"MYAQ2","Myriophyllum aquaticum (Vell.) Verdc.","parrot feather watermilfoil"
"MYHE2","Myriophyllum heterophyllum Michx.","twoleaf watermilfoil"
"MYHI","Myriophyllum hippuroides Nutt. ex Torr. & A. Gray","western watermilfoil"
"MYMA","Myosotis macrosperma Engelm.","largeseed forget-me-not"
"MYMI2","Myosurus minimus L.","tiny mousetail"
"MYOSO","Myosotis L.","forget-me-not"
"MYOSU","Myosurus L.","mousetail"
"MYPE","Myagrum perfoliatum L.","bird's-eye cress"
"MYPI","Myriophyllum pinnatum (Walter) Britton, Sterns & Poggenb.","cutleaf watermilfoil"
"MYRIO","Myriophyllum L.","watermilfoil"
"MYSP2","Myriophyllum spicatum L.","spike watermilfoil"
"MYVE","Myosotis verna Nutt.","spring forget-me-not"
"NAGU","Najas guadalupensis (Spreng.) Magnus","southern waternymph"
"NAHI","Nama hispidum A. Gray","bristly nama"
"NAJAS","Najas L.","waternymph"
"NALE3","Nassella leucotricha (Trin. & Rupr.) Pohl","Texas wintergrass"
"NAMA","Najas marina L.","spiny naiad"
"NAMA4","Nama L.","fiddleleaf"
"NAMI","Najas minor All.","brittle waternymph"
"RONA2","Rorippa nasturtium-aquaticum (L.) Hayek","watercress"
"NASSE","Nassella (Trin.) Desv.","tussockgrass"
"NAST2","Nama stevensii C.L. Hitchc.","Stevens' fiddleleaf"
"NEAQ2","Neobeckia aquatica (Eaton) Greene","lakecress"
"AMAR5","Ampelopsis arborea (L.) Koehne","peppervine"
"NECA2","Nepeta cataria L.","catnip"
"NEGE","Nemastylis geminiflora Nutt.","prairie pleatleaf"
"NELU","Nelumbo lutea Willd.","American lotus"
"NELU2","Neptunia lutea (Leavenworth) Benth.","yellow neptune"
"NELUM","Nelumbo Adans.","lotus"
"NEMAS","Nemastylis Nutt.","pleatleaf"
"NEMOP","Nemophila Nutt.","baby blue eyes"
"NENU","Nemastylis nuttallii Pickering ex R.C. Foster","Nuttall's pleatleaf"
"NEPH","Nemophila phacelioides Nutt.","largeflower baby blue eyes"
"NERE3","Neeragrostis reptans (Michx.) Nicora","creeping lovegrass"
"NICOT","Nicotiana L.","tobacco"
"NIOB","Nicotiana obtusifolia M. Martens & Galeotti","desert tobacco"
"NIPH","Nicandra physalodes (L.) Scop.","apple of Peru"
"NOBI2","Nothoscordum bivalve (L.) Britton","crowpoison"
"NOCU","Nothocalais cuspidata (Pursh) Greene","sharppoint prairie-dandelion"
"NOLIN","Nolina Michx.","beargrass"
"NOST","Notholaena standleyi Maxon","star cloak fern"
"NOTE","Nolina texana S. Watson","Texas sacahuista"
"NOTHO","Notholaena R. Br.","cloak fern"
"NOTHO2","Nothoscordum Kunth","false garlic"
"NOTHO5","Nothocalais (A. Gray) Greene","prairie-dandelion"
"NUCA","Nuttallanthus canadensis (L.) D.A. Sutton","Canada toadflax"
"NULU","Nuphar lutea (L.) Sm.","yellow pond-lily"
"NUTE","Nuttallanthus texanus (Scheele) D.A. Sutton","Texas toadflax"
"NUTTA","Nuttallanthus D.A. Sutton","toadflax"
"NYME","Nymphaea mexicana Zucc.","yellow waterlily"
"NYMPH","Nymphaea L.","waterlily"
"NYMPH2","Nymphoides Hill","floatingheart"
"NYOD","Nymphaea odorata Aiton","American white waterlily"
"NYPE","Nymphoides peltata (S.G. Gmel.) Kuntze","yellow floatingheart"
"NYSSA","Nyssa L.","tupelo"
"NYSY","Nyssa sylvatica Marshall","blackgum"
"GAVI2","Gaura villosa Torr.","woolly beeblossom"
"GAPA6","Gaura parviflora Douglas ex Lehm.","velvetweed"
"GADE","Gaura demareei P.H. Raven & D.P. Greg.","Demaree's beeblossom"
"OEEN","Oenothera engelmannii (Small) Munz","Engelmann's evening-primrose"
"GALO3","Gaura longiflora Spach","longflower beeblossom"
"OEMA","Oenothera macrocarpa Nutt.","bigfruit evening-primrose"
"OEMAO2","Oenothera macrocarpa Nutt. ssp. oklahomensis (J.B.S. Norton) Wagner","Oklahoma evening-primrose"
"OENOT","Oenothera L.","evening-primrose"
"GAURA","Gaura L.","beeblossom"
"GABR2","Gaura brachycarpa Small","plains beeblossom"
"OERH","Oenothera rhombipetala Nutt. ex Torr. & A. Gray","fourpoint evening-primrose"
"GASI","Gaura sinuata Nutt. ex Ser.","wavyleaf beeblossom"
"OESP2","Oenothera speciosa Nutt.","pinkladies"
"GACO5","Gaura coccinea Nutt. ex Pursh","scarlet gaura"
"GASU2","Gaura suffulta Engelm. ex A. Gray","kisses"
"GATR5","Gaura triangulata Buckley","prairie beeblossom"
"OLAL2","Oligoneuron album (Nutt.) G.L. Nesom","prairie goldenrod"
"OLBO","Oldenlandia boscii (DC.) Chapm.","Bosc's mille graines"
"OLIGO3","Oligoneuron Small","goldenrod"
"OLNI","Oligoneuron nitidum (Torr. & A. Gray) Small","shiny goldenrod"
"OLRI","Oligoneuron rigidum (L.) Small","stiff goldenrod"
"SORI2","Solidago rigida L.","stiff goldenrod"
"OLUN","Oldenlandia uniflora L.","clustered mille graines"
"ONAC","Onopordum acanthium L.","Scots cottonthistle"
"ONMO","Onosmodium molle Michx.","softhair marbleseed"
"ONMOO2","Onosmodium molle Michx. ssp. occidentale (Mack.) Cochrane","western marbleseed"
"ONOPO","Onopordum L.","cottonthistle"
"ONOSM","Onosmodium Michx.","marbleseed"
"ONSE","Onoclea sensibilis L.","sensitive fern"
"ONSP","Ononis spinosa L.","primrose sp."
"OPCR","Ophioglossum crotalophoroides Walter","bulbous adderstongue"
"OPEN","Ophioglossum engelmannii Prantl","limestone adderstongue"
"OPHI","Oplismenus hirtellus (L.) P. Beauv.","bristle basketgrass"
"OPHIO","Ophioglossum L.","adderstongue"
"OPLIS","Oplismenus P. Beauv.","basketgrass"
"OPMA2","Opuntia macrorhiza Engelm.","prickly pear, plains prickly pear, twistspine pricklypear, bigroot"
"OPNU","Ophioglossum nudicaule L. f.","least adderstongue"
"OPPE2","Ophioglossum petiolatum Hook.","longstem adderstongue"
"OPPO","Opuntia polyacantha Haw.","plains pricklypear"
"OPUNT","Opuntia Mill.","pricklypear"
"OPVU","Ophioglossum vulgatum L.","southern adderstongue"
"ORBEX","Orbexilum Raf.","leather-root"
"ORFA","Orobanche fasciculata Nutt.","clustered broomrape"
"ORLU","Orobanche ludoviciana Nutt.","Louisiana broomrape"
"ORLUM","Orobanche ludoviciana Nutt. ssp. multiflora (Nutt.) T.S. Collins ex H.L. White & W.C. Holmes","manyflower broomrape"
"ORNIT","Ornithogalum L.","star of Bethlehem"
"OROBA","Orobanche L.","broomrape"
"ORPE","Orbexilum pedunculatum (Mill.) Rydb.","Sampson's snakeroot"
"ORSA","Oryza sativa L.","rice"
"ORSI","Orbexilum simplex (Nutt. ex Torr. & A. Gray) Rydb.","singlestem leather-root"
"ORUM","Ornithogalum umbellatum L.","sleepydick"
"ORUN","Orobanche uniflora L.","oneflowered broomrape"
"OSCI","Osmunda cinnamomea L.","cinnamon fern"
"OSLO","Osmorhiza longistylis (Torr.) DC.","longstyle sweetroot"
"OSMOR","Osmorhiza Raf.","sweetroot"
"OSRE","Osmunda regalis L.","royal fern"
"OSTRY","Ostrya Scop.","hophornbean"
"OSVI","Ostrya virginiana (Mill.) K. Koch","hophornbeam"
"OXALI","Oxalis L.","woodsorrel"
"OXLA3","Oxytropis lambertii Pursh","Lamberts crazyweed, purple locoweed"
"OXRI","Oxypolis rigidior (L.) Raf.","stiff cowbane"
"OXSE","Oxytropis sericea Nutt.","white locoweed"
"OXVI","Oxalis violacea L.","violet woodsorrel"
"OXYPO","Oxypolis Raf.","cowbane"
"OXYTR","Oxytropis DC.","locoweed"
"PAAN","Panicum anceps Michx.","beaked panicgrass"
"PABI3","Paspalum bifidum (Bertol.) Nash","pitchfork crowngrass"
"PABR2","Panicum brachyanthum Steud.","prairie panicgrass"
"PACA11","Paronychia canadensis (L.) Alph. Wood","smooth forked nailwort"
"PACA3","Palafoxia callosa (Nutt.) Torr. & A. Gray","small palafox"
"PACA6","Panicum capillare L.","witchgrass"
"PACKE","Packera Á. Löve & D. Löve","ragwort"
"PADI","Panicum dichotomiflorum Michx.","Fall panicum, fall panicgrass"
"PADI3","Paspalum dilatatum Poir.","dallisgrass"
"PADI5","Paspalum dissectum (L.) L.","mudbank crowngrass"
"PADI6","Paspalum distichum L.","knotgrass"
"PADID","Panicum dichotomiflorum Michx. var. dichotomiflorum","fall panicgrass"
"PADR","Paronychia drummondii Torr. & A. Gray","Drummond's nailwort"
"PADU","Papaver dubium L.","blindeyes"
"PAFA3","Paronychia fastigiata (Raf.) Fernald","hairy forked nailwort"
"PAFL2","Panicum flexile (Gattinger) Scribn.","wiry panicgrass"
"PAFL4","Paspalum floridanum Michx.","Florida paspalum"
"PAFL5","Paspalum fluitans (Elliott) Kunth","horsetail paspalum"
"PAGA","Panicum gattingeri Nash","Gattinger's panicgrass"
"PAGE2","Paspalidium geminatum (Forssk.) Stapf","Egyptian panicgrass"
"PAGL17","Packera glabella (Poir.) C. Jeffrey","butterweed"
"PAGR","Parnassia grandifolia DC.","largeleaf grass of Parnassus"
"PAHA","Panicum hallii Vasey","Hall's panicum, Hall's panicgrass"
"PAHA2","Panicum havardii Vasey","Havard's panicgrass"
"PAHAH","Panicum hallii Vasey var. hallii","Hall's panicgrass"
"PAHI3","Panicum hillmanii Chase","Hillman's panicgrass"
"PAHI5","Panicum hirticaule J. Presl","Mexican panicgrass"
"PAHY","Parthenium hysterophorus L.","Santa Maria feverfew"
"PAIN3","Parthenium integrifolium L.","wild quinine"
"PAIN6","Passiflora incarnata L.","purple passionflower"
"PAJA","Paronychia jamesii Torr. & A. Gray","James' nailwort"
"PALA10","Paspalum laeve Michx.","field paspalum"
"PALA11","Paspalum langei (Fourn.) Nash","rustyseed paspalum"
"PALAF","Palafoxia Lag.","palafox"
"PALU2","Passiflora lutea L.","yellow passionflower"
"PANAX","Panax L.","ginseng"
"PANIC","Panicum L.","panicgrass"
"PANO2","Paspalum notatum Flueggé","bahiagrass"
"PAOB","Panicum obtusum Kunth","vine mesquite"
"PAOB6","Packera obovata (Muhl. ex Willd.) W.A. Weber & Á. Löve","roundleaf ragwort"
"PAPAV","Papaver L.","poppy"
"PAPE5","Parietaria pensylvanica Muhl. ex Willd.","Pennsylvania pellitory"
"PAPH","Panicum philadelphicum Bernh. ex Trin.","Philadelphia panicgrass"
"PAPL12","Packera plattensis (Nutt.) W.A. Weber & Á. Löve","prairie groundsel"
"PAPU5","Paspalum pubiflorum Rupr. ex Fourn.","hairyseed paspalum"
"PAQU","Panax quinquefolius L.","American ginseng"
"PAQU2","Parthenocissus quinquefolia (L.) Planch.","Virginia creeper, woodbine"
"PARI4","Panicum rigidulum Bosc ex Nees","redtop panicgrass"
"PARIE","Parietaria L.","pellitory"
"PARNA","Parnassia L.","grass of Parnassus"
"PARO","Palafoxia rosea (Bush) Cory","rosy palafox"
"PARON","Paronychia Mill.","nailwort"
"PARTH2","Parthenium L.","feverfew"
"PASA2","Pastinaca sativa L.","wild parsnip"
"PASCO","Pascopyrum Á. Löve","wheatgrass"
"PASE","Paronychia sessiliflora Nutt.","creeping nailwort"
"PASE5","Paspalum setaceum Michx.","fringeleaf paspalum, thin paspalum"
"PASM","Pascopyrum smithii (Rydb.) Á. Löve","western wheatgrass"
"ELSM3","Elymus smithii (Rydb.) Gould","western wheatgrass"
"PASO2","Papaver somniferum L.","opium poppy"
"PASP","Palafoxia sphacelata (Nutt. ex Torr.) Cory","othake"
"PASPA","Paspalidium Stapf","watercrown grass"
"PASPA2","Paspalum L.","crowngrass"
"PASSI","Passiflora L.","passionflower"
"PASTI","Pastinaca L.","parsnip"
"PATO2","Paulownia tomentosa (Thunb.) Siebold & Zucc. ex Steud.","princesstree"
"PATO4","Packera tomentosa (Michx.) C. Jeffrey","woolly ragwort"
"PAUR2","Paspalum urvillei Steud.","Vasey's grass"
"PAVE2","Panicum verrucosum Muhl.","warty panicgrass"
"PAVI4","Paronychia virginica Spreng.","yellow nailwort"
"PEAM2","Perideridia americana (Nutt. ex DC.) Rchb.","eastern yampah"
"PEAN","Pectis angustifolia Torr.","lemonscent"
"PEANA","Pectis angustifolia Torr. var. angustifolia","narrowleaf pectis"
"PEAR6","Pediomelum argophyllum (Pursh) J. Grimes","Silverleaf scurfpea"
"PEAT2","Pellaea atropurpurea (L.) Link","purple cliffbrake"
"PECA","Pedicularis canadensis L.","Canadian lousewort"
"PECA10","Pericome caudata A. Gray","mountain tail-leaf"
"PECO4","Penstemon cobaea Nutt.","cobaea penstemon"
"PECTI","Pectis L.","cinchweed"
"PECU3","Pediomelum cuspidatum (Pursh) Rydb.","largebract Indian breadroot"
"PEDI9","Pediomelum digitatum (Nutt. ex Torr. & A. Gray) Isely","palmleaf Indian breadroot"
"PEDIC","Pedicularis L.","lousewort"
"PEDIO2","Pediomelum Rydb.","Indian breadroot"
"PEDU2","Petrorhagia dubia (Raf.) G. López & Romo","hairypink"
"PEES","Pediomelum esculentum (Pursh) Rydb.","large Indian breadroot"
"PSES","Psoralea esculenta Pursh","breadroot scurfpea"
"PEFE","Penstemon fendleri Torr. & A. Gray","Fendler's penstemon"
"PEFR4","Perilla frutescens (L.) Britton","beefsteakplant"
"PEGL","Pellaea glabella Mett. ex Kuhn","smooth cliffbrake"
"PEGL2","Pennisetum glaucum (L.) R. Br.","pearl millet"
"PEGR9","Periploca graeca L.","silkvine"
"PEHY4","Pediomelum hypogaeum (Nutt. ex Torr. & A. Gray) Rydb.","subterranean Indian breadroot"
"PELI10","Pediomelum linearifolium (Torr. & A. Gray) J. Grimes","narrowleaf Indian breadroot"
"PELLA","Pellaea Link","cliffbrake"
"PELTA","Peltandra Raf.","arrow arum"
"PENNI","Pennisetum Rich. ex Pers.","fountaingrass"
"PENST","Penstemon Schmidel","beardtongue"
"PEOK","Penstemon oklahomensis Pennell","Oklahoma beardtongue"
"PEPR4","Petrorhagia prolifera (L.) P.W. Ball & Heywood","childing pink"
"PERE10","Pediomelum reverchonii (S. Watson) Rydb.","rock Indian breadroot"
"PERH2","Pediomelum rhombifolium (Torr. & A. Gray) Rydb.","gulf Indian breadroot"
"PERID","Perideridia Rchb.","yampah"
"PESE6","Penthorum sedoides L.","ditch stonecrop"
"PETRO","Petrorhagia (Ser.) Link","pink"
"PEVI","Peltandra virginica (L.) Schott","green arrow arum"
"PEWR","Pellaea wrightiana Hook.","Wright's cliffbrake"
"PHAB","Phyllanthus abnormis Baill.","Drummond's leaf-flower"
"PHALA2","Phalaris L.","canarygrass"
"PHAM4","Phytolacca americana L.","Poke, pokeweed, American pokeweed"
"PHAN5","Physalis angulata L.","cutleaf groundcherry"
"PHAN6","Physostegia angustifolia Fernald","narrowleaf false dragonhead"
"PHAR3","Phalaris arundinacea L.","reed canarygrass"
"PHASE","Phaseolus L.","bean"
"PHAU7","Phragmites australis (Cav.) Trin. ex Steud.","common reed"
"TACA","Talinum calycinum Engelm.","largeflower fameflower"
"PHCA5","Phalaris canariensis L.","annual canarygrass"
"PHCA6","Phalaris caroliniana Walter","Carolina canarygrass"
"PHCA9","Phyllanthus caroliniensis Walter","Carolina leaf-flower"
"PHCI4","Physalis cinerascens (Dunal) Hitchc.","smallflower groundcherry"
"PHCO2","Phacelia congesta Hook.","caterpillars"
"PHCO22","Physalis cordata Mill.","heartleaf groundcherry"
"PHCU3","Phyla cuneifolia (Torr.) Greene","wedgeleaf"
"PHEGO","Phegopteris Fée","beechfern"
"PHGI","Phacelia gilioides Brand","Brand's phacelia"
"PHGL","Phacelia glabra Nutt.","smooth phacelia"
"PHGY2","Phanopyrum gymnocarpon (Elliott) Nash","savannah-panicgrass"
"PHHE11","Phegopteris hexagonoptera (Michx.) Fée","broad beechfern"
"PHHE4","Physalis hederifolia A. Gray","ivyleaf groundcherry"
"PHHE5","Physalis heterophylla Nees","clammy groundcherry"
"PHHEF","Physalis hederifolia A. Gray var. fendleri (A. Gray) Cronquist","Fendler's groundcherry"
"PHHI","Phacelia hirsuta Nutt.","fuzzy phacelia"
"PHHI8","Physalis hispida (Waterf.) Cronquist","prairie groundcherry"
"PHILA","Philadelphus L.","mock orange"
"PHIN","Phacelia integrifolia Torr.","gypsum phacelia"
"PHING","Philadelphus inodorus L. var. grandiflorus (Willd.) A. Gray","Fogfruit"
"PHIN8","Physostegia intermedia (Nutt.) Engelm. & A. Gray","slender false dragonhead"
"PHLA3","Phyla lanceolata (Michx.) Greene","lanceleaf fogfruit"
"PHLE14","Phoradendron leucarpum (Raf.) Reveal & M.C. Johnst.","oak mistletoe"
"PHLE5","Phryma leptostachya L.","American lopseed"
"PHLO4","Physalis longifolia Nutt.","longleaf groundcherry"
"PHLOX","Phlox L.","phlox"
"PHMI5","Physalis missouriensis Mack. & Bush","Missouri groundcherry"
"PHMO4","Physocarpus monogynus (Torr.) J.M. Coult.","mountain ninebark"
"PHMO9","Physalis mollis Nutt.","field groundcherry"
"PHOK","Phlox oklahomensis Wherry","Oklahoma phlox"
"PHOP","Physocarpus opulifolius (L.) Maxim., orth. cons.","common ninebark"
"PHOPI","Physocarpus opulifolius (L.) Maxim. var. intermedius (Rydb.) B.L. Rob.","Atlantic ninebark"
"PHORA","Phoradendron Nutt.","mistletoe"
"PHOTI","Photinia Lindl.","chokeberry"
"TAPA3","Talinum parviflorum Nutt.","sunbright"
"LEPH11","Leptopus phyllanthoides (Nutt.) G.L. Webster","Missouri maidenbush"
"PHPI","Phlox pilosa L.","prairie flox, downy phlox"
"PHPO2","Phaseolus polystachios (L.) Britton, Sterns & Poggenb.","thicket bean"
"PHPO3","Phyllanthus polygonoides Nutt. ex Spreng.","smartweed leaf-flower"
"PHPR3","Phleum pratense L.","timothy"
"PHPU3","Phacelia purshii Buckley","Miami mist"
"PHPU4","Philadelphus pubescens Loisel.","hoary mock orange"
"PHPU7","Physalis pubescens L.","husk tomato"
"PHPU8","Physalis pumila Nutt.","dwarf groundcherry"
"PHRAG","Phragmites Adans.","reed"
"PHRO","Phacelia robusta (J.F. Macbr.) I.M. Johnst.","stout phacelia"
"PHST","Phacelia strictiflora (Engelm. & A. Gray) A. Gray","prairie phacelia"
"PHSTL","Phacelia strictiflora (Engelm. & A. Gray) A. Gray var. lundelliana Constance","Lundell's phacelia"
"PHSTR","Phacelia strictiflora (Engelm. & A. Gray) A. Gray var. robbinsii Constance","Robbins' phacelia"
"PHTO2","Phoradendron tomentosum (DC.) Engelm. ex A. Gray","Christmas mistletoe"
"PHTU3","Physalis turbinata Medik.","thicket groundcherry"
"PHVI5","Physalis virginiana Mill.","Virginia groundcherry"
"PHVI8","Physostegia virginiana (L.) Benth.","obedient plant"
"PHYLL","Phyllanthus L.","leafflower"
"PHYSA","Physalis L.","groundcherry"
"PHYSO","Physocarpus (Camb.) Raf.","ninebark"
"PHYSO2","Physostegia Benth.","lionsheart"
"PHYTO","Phytolacca L.","pokeweed, poke"
"PIAM","Pilularia americana A. Braun","American pillwort"
"PIAV","Piptochaetium avenaceum (L.) Parodi","blackseed speargrass"
"PICRA3","Picradeniopsis Rydb. ex Britton","bahia"
"PIEC2","Pinus echinata Mill.","shortleaf pine"
"PIED","Pinus edulis Engelm.","twoneedle pinyon"
"PIGR4","Pityopsis graminifolia (Michx.) Nutt.","narrowleaf silkgrass"
"PILEA","Pilea Lindl.","clearweed"
"PILUL","Pilularia L.","pillwort"
"PIMI7","Piptatherum micranthum (Trin. & Rupr.) Barkworth","littleseed ricegrass"
"PINAR","Pinaropappus Less.","rocklettuce"
"PINGU","Pinguicula L.","butterwort"
"PINUS","Pinus L.","pine"
"PIOL","Pityopsis oligantha (Chapm. ex Torr. & A. Gray) Small","grassleaf goldaster"
"PIOP","Picradeniopsis oppositifolia (Nutt.) Rydb. ex Britton","oppositeleaf bahia"
"PIPO","Pinus ponderosa Lawson & C. Lawson","ponderosa pine"
"PIPTA2","Piptatherum P. Beauv.","ricegrass"
"PIPTO","Piptochaetium J. Presl","speargrass"
"PIPU2","Pilea pumila (L.) A. Gray","Canadian clearweed"
"PIPU4","Pinguicula pumila Michx.","small butterwort"
"PIPUD","Pilea pumila (L.) A. Gray var. deamii (Lunell) Fernald","Deam's clearweed"
"PIRO","Pinaropappus roseus (Less.) Less.","white rocklettuce"
"PISA6","Pisum sativum L.","garden pea"
"PISUM","Pisum L.","pea"
"PITA","Pinus taeda L.","loblolly pine"
"PITYO2","Pityopsis Nutt.","silkgrass"
"PIWO","Picradeniopsis woodhousei (A. Gray) Rydb.","Woodhouse's bahia"
"PLANT","Plantago L.","plantain"
"PLAQ","Planera aquatica J.F. Gmel.","planertree"
"PLAR3","Plantago aristata Michx.","largebracted plantain"
"PLATA","Platanus L.","sycamore"
"PLATA2","Platanthera Rich.","fringed orchid"
"PLCA7","Pluchea camphorata (L.) DC.","camphor pluchea"
"PLCI2","Platanthera ciliaris (L.) Lindl.","yellow fringed orchid"
"PLCL","Platanthera clavellata (Michx.) Luer","small green wood orchid"
"PLEL","Plantago elongata Pursh","prairie plantain"
"PLEOP","Pleopeltis Humb. & Bonpl. ex Willd.","scaly polypody"
"PLEUR12","Pleuraphis Torr.","galleta grass"
"PLFL","Platanthera flava (L.) Lindl.","palegreen orchid"
"PLHE2","Plantago heterophylla Nutt.","slender plantain"
"PLJA","Pleuraphis jamesii Torr.","James' galleta"
"PLLA","Plantago lanceolata L.","narrowleaf plantain"
"PLLA2","Platanthera lacera (Michx.) G. Don","green fringed orchid"
"PLLE2","Platanthera leucophaea (Nutt.) Lindl.","prairie white fringed orchid"
"PLMA2","Plantago major L.","common plantain"
"PLMU3","Pleuraphis mutica Buckley","tobosagrass"
"PLOC","Platanus occidentalis L.","American sycamore"
"PLOD","Pluchea odorata (L.) Cass.","sweetscent"
"PLPA2","Plantago patagonica Jacq.","woolly plantain"
"PLPO2","Pleopeltis polypodioides (L.) Andrews & Windham","resurrection fern"
"PLPR4","Platanthera praeclara Sheviak & Bowles","Great Plains white fringed orchid"
"PLPU","Plantago pusilla Nutt.","dwarf plantain"
"PLRU","Plantago rugelii Decne.","blackseed plantain"
"PLUCH","Pluchea Cass.","camphorweed"
"POA","Poa L.","bluegrass"
"POAC4","Polystichum acrostichoides (Michx.) Schott","Christmas fern"
"POAM3","Polygonella americana (Fisch. & C.A. Mey.) Small","southern jointweed"
"POAM5","Potamogeton amplifolius Tuck.","largeleaf pondweed"
"POAN","Poa annua L.","annual bluegrass"
"POAR","Poa arachnifera Torr.","Texas bluegrass"
"POAR3","Poa arida Vasey","plains bluegrass"
"POAR7","Potentilla arguta Pursh","tall cinquefoil"
"POBI2","Polygonatum biflorum (Walter) Elliott","smooth Solomon's seal"
"POCA11","Polymnia canadensis L.","whiteflower leafcup"
"POCE3","Podostemum ceratophyllum Michx.","hornleaf riverweed"
"POCH2","Poa chapmaniana Scribn.","Chapman's bluegrass"
"POCO","Poa compressa L.","Canada bluegrass"
"POCO14","Pontederia cordata L.","pickerelweed"
"POCR3","Potamogeton crispus L.","curly pondweed"
"PODED","Populus deltoides W. Bartram ex Marshall ssp. deltoides","eastern cottonwood"
"PODI","Potamogeton diversifolius Raf.","waterthread pondweed"
"PODO3","Polanisia dodecandra (L.) DC.","redwhisker clammyweed"
"PODOS","Podostemum Michx.","riverweed"
"PODOT","Polanisia dodecandra (L.) DC. ssp. trachysperma (Torr. & A. Gray) Iltis","sandyseed clammyweed"
"POER","Polanisia erosa (Nutt.) Iltis","large clammyweed"
"POFE","Poa fendleriana (Steud.) Vasey","muttongrass"
"POFO3","Potamogeton foliosus Raf.","leafy pondweed"
"POGR7","Portulaca grandiflora Hook.","rose moss"
"POHA5","Portulaca halimoides L.","silkcotton purslane"
"POHY2","Polygonum hydropiperoides Michx.","swamp smartweed"
"POIL","Potamogeton illinoensis Morong","Illinois pondweed"
"POIN4","Polygala incarnata L.","procession flower"
"POIN7","Polypogon interruptus Kunth","ditch rabbitsfoot grass"
"POJA3","Polanisia jamesii (Torr. & A. Gray) Iltis","James' clammyweed"
"CAJA6","Caesalpinia jamesii (Torr. & A. Gray) Fisher","James' holdback"
"POLA4","Polygonum lapathifolium L.","white milkwort"
"POLAN","Polanisia Raf.","clammyweed"
"POLEM","Polemonium L.","Jacob's-ladder"
"POLYG2","Polygonatum Mill.","Solomon's seal"
"POLYG3","Polygonella Michx.","jointweed"
"POLYG4","Polygonum L.","knotweed, smartweed"
"POLYP2","Polypogon Desf.","rabbitsfoot grass"
"POLYS","Polystichum Roth","hollyfern"
"POLYT","Polytaenia DC.","hairy moss"
"POMO5","Polypogon monspeliensis (L.) Desf.","annual rabbitsfoot grass"
"PONA4","Potamogeton natans L.","floating pondweed"
"PONO2","Potamogeton nodosus Poir.","longleaf pondweed"
"PONO3","Potentilla norvegica L.","Norwegian cinquefoil"
"PONU4","Polytaenia nuttallii DC.","prairie parsley"
"POOL","Portulaca oleracea L.","little hogweed"
"POOP","Pogonia ophioglossoides (L.) Ker Gawl.","snakemouth orchid"
"POPA15","Potentilla paradoxa Nutt.","Paradox cinquefoil"
"POPE","Podophyllum peltatum L.","mayapple"
"POPE2","Polygonum pensylvanicum L.","Pennsylvania smartweed"
"POPI3","Portulaca pilosa L.","kiss me quick"
"POPR","Poa pratensis L.","Kentucky bluegrass"
"POPR4","Polypremum procumbens L.","juniper leaf"
"POPU6","Potamogeton pulcher Tuck.","spotted pondweed"
"POPU7","Potamogeton pusillus L.","small pondweed"
"POPUL","Populus L.","cottonwood"
"PORE2","Polemonium reptans L.","Greek valerian"
"PORE5","Potentilla recta L.","sulphur cinquefoil"
"PORI3","Potentilla rivalis Nutt.","brook cinquefoil"
"PORTU","Portulaca L.","purslane"
"POSE3","Polygala senega L.","Seneca snakeroot"
"POSI2","Potentilla simplex Michx.","common cinquefoil"
"POTEN","Potentilla L.","cinquefoil"
"POTR4","Poncirus trifoliata (L.) Raf.","hardy orange"
"POUM","Portulaca umbraticola Kunth","wingpod purslane"
"POVE","Polygala verticillata L.","whorled milkwort"
"POVI9","Polypogon viridis (Gouan) Breistr.","beardless rabbitsfoot grass"
"PRAL3","Prenanthes altissima L.","tall rattlesnakeroot"
"PRAM","Prunus americana Marshall","American plum"
"PRAN","Primula angustifolia Torr.","sand plum, chickasaw plum"
"PRAN3","Prunus angustifolia Marshall","Chickasaw plum"
"PRAS","Prenanthes aspera Michx.","rough rattlesnakeroot"
"PRENA","Prenanthes L.","rattlesnakeroot"
"PRGL2","Prosopis glandulosa Torr.","mesquite, honey mesquite"
"PRGR","Prunus gracilis Engelm. & A. Gray","Oklahoma plum"
"PRLO","Proboscidea louisianica (Mill.) Thell.","ram's horn"
"PROBO","Proboscidea Schmidel","unicorn-plant"
"PROSE","Proserpinaca L.","mermaidweed"
"PROSO","Prosopis L.","mesquite"
"PRPA3","Proserpinaca palustris L.","marsh mermaidweed"
"PRUNE","Prunella L.","selfheal"
"PRUNU","Prunus L.","plum"
"PRVI","Prunus virginiana L.","chokecherry"
"PRVU","Prunella vulgaris L.","common selfheal"
"PSAR","Pseudoclappia arenaria Rydb.","TransPecos false clapdaisy"
"PSCA11","Pseudognaphalium canescens (DC.) W.A. Weber","Wright's cudweed"
"PSEUD3","Pseudoclappia Rydb.","false clapdaisy"
"PSEUD43","Pseudognaphalium Kirp.","cudweed"
"PSHE4","Pseudognaphalium helleri (Britton) Anderb.","Heller's cudweed"
"PSILO3","Psilostrophe DC.","paperflower"
"PSOB3","Pseudognaphalium obtusifolium (L.) Hilliard & B.L. Burtt","rabbittobacco"
"GNOB","Gnaphalium obtusifolium L.","fragrant cuddweed, rabbittobacco"
"PSST7","Pseudognaphalium stramineum (Kunth) Anderb.","cottonbatting plant"
"PSTA","Psilostrophe tagetina (Nutt.) Greene","woolly paperflower"
"PSTE5","Psoralidium tenuiflorum (Pursh) Rydb.","scurfpea"
"PTAQ","Pteridium aquilinum (L.) Kuhn","western brackenfern"
"PTCA","Ptilimnium capillaceum (Michx.) Raf.","herbwilliam"
"PTCO","Ptilimnium costatum (Elliott) Raf.","ribbed mock bishopweed"
"PTELE","Ptelea L.","hoptree"
"PTERI","Pteridium Gleditsch ex Scop.","brackenfern"
"PTILI","Ptilimnium Raf.","mock bishopweed"
"PTNU","Ptilimnium nuttallii (DC.) Britton","laceflower"
"PTTR","Ptelea trifoliata L.","common hoptree"
"PTTRP2","Ptelea trifoliata L. ssp. polyadenia (Greene) V. Bailey","pallid hoptree"
"PUMO","Pueraria montana (Lour.) Merr.","kudzu"
"PYCNA","Pycnanthemum Michx.","mountainmint"
"PYGR2","Pyrrhopappus grandiflorus (Nutt.) Nutt.","tuberous desert-chicory"
"PYRRH","Pyrrhopappus DC.","desert-chicory"
"PYRUS","Pyrus L.","pear"
"PYTE","Pycnanthemum tenuifolium Schrad.","silverleaf, Narrowleaf mountainmint"
"QUAL","Quercus alba L.","white oak"
"QUERC","Quercus L.","oak"
"QUFA","Quercus falcata Michx.","southern red oak"
"QUGA","Quercus gambelii Nutt.","Gambel oak"
"QUHA3","Quercus havardii Rydb.","shinnery oak, shin oak, sand shinnery, shinnery, Havard oak"
"QULO2","Quincula lobata (Torr.) Raf.","Chinese lantern"
"QUMA2","Quercus macrocarpa Michx.","bur oak"
"QUMA3","Quercus marilandica Münchh.","blackjack oak"
"QUMI","Quercus michauxii Nutt.","swamp chestnut oak"
"QUMU","Quercus muehlenbergii Engelm.","chinkapin oak"
"QUNI","Quercus nigra L.","water oak"
"QUPA2","Quercus palustris Münchh.","pin oak"
"QUPR","Quercus prinoides Willd.","dwarf chinkapin oak"
"QURU","Quercus rubra L.","northern red oak"
"QUSH","Quercus shumardii Buckley","Shumard's oak"
"QUST","Quercus stellata Wangenh.","post oak"
"QUVE","Quercus velutina Lam.","black oak"
"RAAB","Ranunculus abortivus L.","littleleaf buttercup"
"RAAN2","Rayjacksonia annua (Rydb.) R.L. Hartm. & M.A. Lane","viscid tansyaster"
"RACO3","Ratibida columnifera (Nutt.) Wooton & Standl.","mexican hat, Upright prairie coneflower"
"RACY","Ranunculus cymbalaria Pursh","alkali buttercup"
"RAFA","Ranunculus fascicularis Muhl. ex Bigelow","early buttercup"
"RAFL","Ranunculus flabellaris Raf.","yellow water buttercup"
"RAHA","Ranunculus harveyi (A. Gray) Britton","Harvey's buttercup"
"RAHI","Ranunculus hispidus Michx.","bristly buttercup"
"RALA2","Ranunculus laxicaulis (Torr. & A. Gray) Darby","Mississippi buttercup"
"RALO2","Ranunculus longirostris Godr.","longbeak buttercup"
"RAMI2","Ranunculus micranthus Nutt.","rock buttercup"
"RANUN","Ranunculus L.","buttercup"
"RAPA3","Ranunculus parviflorus L.","smallflower buttercup"
"RAPU","Ranunculus pusillus Poir.","low spearwort"
"RARE2","Ranunculus recurvatus Poir.","blisterwort"
"RASA","Ranunculus sardous Crantz","hairy buttercup"
"RASC3","Ranunculus sceleratus L.","cursed buttercup"
"RATIB","Ratibida Raf.","prairie coneflower, mexican hat"
"RAYJA","Rayjacksonia R.L. Hartm. & M.A. Lane","tansyaster"
"REAR","Reverchonia arenaria A. Gray","sand reverchonia"
"REFL","Redfieldia flexuosa (Thurb.) Vasey","blowout grass"
"RHAMN","Rhamnus L.","buckthorn"
"RHAR4","Rhus aromatica Aiton","fragrant sumac, lemon sumac, skunkbush, stinkbush"
"RHCA11","Rhynchospora capillacea Torr.","needle beaksedge"
"RHCA12","Rhynchospora capitellata (Michx.) Vahl","brownish beaksedge"
"RHCA7","Rhododendron canescens (Michx.) Sweet","mountain azalea"
"RHCA9","Rhynchospora caduca Elliott","anglestem beaksedge"
"RHCO","Rhus copallinum L.","winged sumac, Flameleaf sumac"
"RHCO2","Rhynchospora corniculata (Lam.) A. Gray","shortbristle horned beaksedge"
"RHEXI","Rhexia L.","meadowbeauty"
"RHGL","Rhus glabra L.","smooth sumac scarlet sumac, white flameleaf, dwarf"
"RHGL2","Rhynchospora globularis (Chapm.) Small","globe beaksedge"
"RHGL3","Rhynchospora glomerata (L.) Vahl","clustered beaksedge"
"RHGR","Rhynchospora gracilenta A. Gray","slender beaksedge"
"RHHA","Rhynchospora harveyi W. Boott","Harvey's beaksedge"
"RHLA3","Rhus lanceolata (A. Gray) Britton","prairie sumac"
"RHLA5","Rhynchosia latifolia Nutt. ex Torr. & A. Gray","prairie snoutbean"
"RHLA7","Rhynchospora latifolia (Baldw. ex Elliott) W.W. Thomas","sandswamp whitetop"
"RHMA","Rhexia mariana L.","Maryland meadowbeauty"
"RHMA6","Rhynchospora macrostachya Torr. ex A. Gray","tall horned beaksedge"
"RHMI3","Rhus microphylla Engelm. ex A. Gray","littleleaf sumac"
"RHNI2","Rhynchospora nivea Boeckeler","showy whitetop"
"RHOB","Rhododendron oblongifolium (Small) Millais","Texas azalea"
"RHPH2","Rhynchosida physocalyx (A. Gray) Fryxell","buffpetal"
"RHPR","Rhododendron prinophyllum (Small) Millais","early azalea"
"RHRA2","Rhynchospora rariflora (Michx.) Elliott","fewflower beaksedge"
"RHRE8","Rhynchospora recognita (Gale) Kral","globe beaksedge"
"RHTRT","Rhus trilobata Nutt. var. trilobata","skunkbush sumac"
"RHUS","Rhus L.","sumac"
"RHVI","Rhexia virginica L.","handsome Harry"
"RHVI2","Rhododendron viscosum (L.) Torr.","swamp azalea"
"RHYNC2","Rhynchosia Lour.","snoutbean"
"RHYNC3","Rhynchospora Vahl","beaksedge"
"RIAU","Ribes aureum Pursh","golden currant"
"RIBES","Ribes L.","currant"
"RICE","Ribes cereum Douglas","wax currant"
"RICEP","Ribes cereum Douglas var. pedicellare W.H. Brewer & S. Watson","whisky currant"
"RICU","Ribes curvatum Small","granite gooseberry"
"RICY","Ribes cynosbati L.","eastern prickly gooseberry"
"RIHU2","Rivina humilis L.","rougeplant"
"RIMI","Ribes missouriense Nutt.","Missouri gooseberry"
"ROCU2","Rorippa curvipes Greene","bluntleaf yellowcress"
"ROMU","Rosa multiflora Thunb.","multiflora rose"
"ROPA2","Rorippa palustris (L.) Besser","bog yellowcress"
"ROPAF2","Rorippa palustris (L.) Besser ssp. fernaldiana (Butters & Abbe) Jonsell","Fernald's yellowcress"
"ROPS","Robinia pseudoacacia L.","black locust"
"RORA","Rotala ramosior (L.) Koehne","lowland rotala"
"RORIP","Rorippa Scop.","yellowcress"
"ROSE","Rorippa sessiliflora (Nutt.) Hitchc.","stalkless yellowcress"
"ROSI2","Rorippa sinuata (Nutt.) Hitchc.","spreading yellowcress"
"RUAC3","Rumex acetosella L.","common sheep sorrel"
"RUBUS","Rubus L.","blackberry"
"RUCI2","Ruppia cirrhosa (Petagna) Grande","spiral ditchgrass"
"RUCR","Rumex crispus L.","curly dock"
"RUELL","Ruellia L.","wild petunia"
"RUGR","Rudbeckia grandiflora (D. Don) J.F. Gmel. ex DC.","rough coneflower"
"RUHI2","Rudbeckia hirta L.","blackeyed Susan"
"RUHU","Ruellia humilis Nutt.","fringeleaf ruellia, prairie petunia"
"RUMEX","Rumex L.","dock"
"RUOK","Rubus oklahomus L.H. Bailey","Oklahoma blackberry"
"RUPPI","Ruppia L.","widgeonweed"
"RUSU","Rudbeckia subtomentosa Pursh","Sweet coneflower"
"RUTR","Rubus trivialis Michx.","southern dewberry"
"RUTR2","Rudbeckia triloba L.","browneyed Susan"
"SAAL9","Saccharum alopecuroidum (L.) Nutt., database artifact","silver plumegrass"
"SAAL5","Sassafras albidum (Nutt.) Nees","sassafras"
"SAAM4","Sagittaria ambigua J.G. Sm.","Kansas arrowhead"
"SAAN2","Sanguisorba annua (Nutt. ex Hook.) Nutt. ex Torr. & A. Gray","prairie burnet"
"SAPI3","Salvia pitcheri Torr. ex Benth.","pitcher sage, blue sage, azure sage"
"SABA10","Saccharum baldwinii Spreng.","narrow plumegrass"
"SABAL","Sabal Adans.","palmetto"
"SABAT","Sabatia Adans.","rose gentian"
"SABR18","Saccharum brevibarbe (Michx.) Pers.","shortbeard plumegrass"
"SABR8","Sagittaria brevirostra Mack. & Bush","shortbeak arrowhead"
"SABRC3","Saccharum brevibarbe (Michx.) Pers. var. contortum (Elliott) R. Webster","sortbeard plumegrass"
"SACA13","Sanguinaria canadensis L.","bloodroot"
"SACA15","Sanicula canadensis L.","Canadian blacksnakeroot"
"SACA21","Sagittaria calycina Engelm.","hooded arrowhead"
"SACA3","Sabatia campestris Nutt.","Texas star"
"SACCH","Saccharum L.","sugarcane"
"SACCI","Sacciolepis Nash","cupscale grass"
"SACE","Saururus cernuus L.","lizard's tail"
"SACU","Sagittaria cuneata Sheldon","arumleaf arrowhead"
"SADE","Sagina decumbens (Elliott) Torr. & A. Gray","trailing pearlwort"
"SAEB2","Samolus ebracteatus Kunth","limewater brookweed"
"SAGI","Saccharum giganteum (Walter) Pers.","sugarcane plumegrass"
"SAGIN","Sagina L.","pearlwort"
"SAGIT","Sagittaria L.","arrowhead"
"SAGR","Sagittaria graminea Michx.","grassy arrowhead"
"SAIN3","Salix interior Rowlee","sandbar willow"
"SALA","Sagittaria lancifolia L.","bulltongue arrowhead"
"SALA2","Sagittaria latifolia Willd.","broadleaf arrowhead"
"SALIX","Salix L.","willow"
"SALO2","Sagittaria longiloba Engelm. ex J.G. Sm.","longbarb arrowhead"
"SALVI","Salvia L.","sage"
"SALVI2","Salvinia Ség.","watermoss"
"SAMBU","Sambucus L.","elderberry"
"SAMI7","Salvinia minima Baker","water spangles"
"SAMI8","Sabal minor (Jacq.) Pers.","dwarf palmetto"
"SAMOL","Samolus L.","brookweed"
"SANGU2","Sanguisorba L.","burnet"
"SANI","Salix nigra Marshall","Black willow"
"SANIC","Sanicula L.","sanicle"
"SAOD","Sanicula odorata (Raf.) K.M. Pryer & L.R. Phillippe","clustered blacksnakeroot"
"SAOF4","Saponaria officinalis L.","bouncingbet"
"SAPA13","Saxifraga palmeri Bush","Palmer's saxifrage"
"SAPA2","Sagittaria papillosa Buchenau","nipplebract arrowhead"
"SAPIN","Sapindus L.","soapberry"
"SAPL","Sagittaria platyphylla (Engelm.) J.G. Sm.","delta arrowhead"
"SAPON","Saponaria L.","soapwort"
"SARA3","Saccharum ravennae (L.) L.","ravennagrass"
"SASAD","Sapindus saponaria L. var. drummondii (Hook. & Arn.) L.D. Benson","western soapberry"
"SAST","Sacciolepis striata (L.) Nash","American cupscale"
"SATE4","Saxifraga texana Buckley","Texas saxifrage"
"SATR12","Salsola tragus L.","Russian thistle"
"SAVA3","Samolus valerandi L.","seaside brookweed"
"SAVI5","Saxifraga virginiensis Michx.","early saxifrage"
"SAVIS","Saxifraga virginiensis Michx. var. subintegra Goodman","Oklahoma saxifrage"
"SCAC3","Schoenoplectus acutus (Muhl. ex Bigelow) Á. Löve & D. Löve","hardstem bulrush"
"SCAM6","Schoenoplectus americanus (Pers.) Volkart ex Schinz & R. Keller","chairmaker's bulrush"
"SCAN2","Scleranthus annuus L.","German knotgrass"
"LOAR10","Lolium arundinaceum (Schreb.) S.J. Darbyshire","tall fescue"
"SCAT2","Scirpus atrovirens Willd.","green bulrush"
"SCBR2","Scleropogon brevifolius Phil.","burrograss"
"SCCA11","Schoenoplectus californicus (C.A. Mey.) Palla","California bulrush"
"SCCA4","Scutellaria cardiophylla Engelm. & A. Gray","gulf skullcap"
"SCCI","Scleria ciliata Michx.","fringed nutrush"
"SCCY","Scirpus cyperinus (L.) Kunth","woolgrass"
"SCDR2","Scutellaria drummondii Benth.","Drummond's skullcap"
"SCDU2","Sclerochloa dura (L.) P. Beauv.","common hardgrass"
"SCEL","Scutellaria elliptica Muhl. ex Spreng.","hairy skullcap"
"SCGA","Scutellaria galericulata L.","marsh skullcap"
"SCHA9","Schoenoplectus hallii (A. Gray) S.G. Sm.","Hall's bulrush"
"SCHE5","Schoenoplectus heterochaetus (Chase) Soják","slender bulrush"
"SCHOE6","Schoenoplectus (Rchb.) Palla","bulrush"
"SCIN","Scutellaria incana Biehler","hoary skullcap"
"SCIN2","Scutellaria integrifolia L.","helmet flower"
"SCIRP","Scirpus L.","bulrush"
"SCLA","Scrophularia lanceolata Pursh","lanceleaf figwort"
"SCLA2","Scutellaria lateriflora L.","blue skullcap"
"SCLER2","Scleria P.J. Bergius","nutrush"
"SCLER4","Sclerochloa P. Beauv.","hardgrass"
"SCMA2","Scrophularia marilandica L.","carpenter's square"
"SCOL2","Scleria oligantha Michx.","littlehead nutrush"
"SCOV","Scutellaria ovata Hill","heartleaf skullcap"
"SCPA","Schedonnardus paniculatus (Nutt.) Trel.","tumblegrass"
"SCPA5","Scleria pauciflora Muhl. ex Willd.","fewflower nutrush"
"SCPA7","Scutellaria parvula Michx.","small skullcap"
"SCPA8","Scirpus pallidus (Britton) Fernald","cloaked bulrush"
"SCPAC","Scleria pauciflora Muhl. ex Willd. var. caroliniana (Willd.) Alph. Wood","Carolina nutrush"
"SCPAM","Scutellaria parvula Michx. var. missouriensis (Torr.) Goodman & C.A. Lawson","Leonard's skullcap"
"SCPE4","Scirpus pendulus Muhl.","rufous bulrush"
"LOPR7","Lolium pratense (Huds.) S.J. Darbyshire","meadow ryegrass"
"SCPU10","Schoenoplectus pungens (Vahl) Palla","common threesquare"
"SCRE","Scleria reticularis Michx.","netted nutrush"
"SCRE3","Scutellaria resinosa Torr.","sticky skullcap"
"SCROP","Scrophularia L.","figwort"
"SCSA8","Schoenoplectus saximontanus (Fernald) Raynal","Rocky Mountain bulrush"
"SCSC","Schizachyrium scoparium (Michx.) Nash","little bluestem"
"SCTA2","Schoenoplectus tabernaemontani (C.C. Gmel.) Palla","softstem bulrush"
"SCTE5","Schizachyrium tenerum Nees","slender little bluestem"
"SCTR","Scleria triglomerata Michx.","whip nutrush"
"SCUTE","Scutellaria L.","skullcap"
"SCVE2","Scleria verticillata Muhl. ex Willd.","low nutrush"
"SCWR2","Scutellaria wrightii A. Gray","Wright's skullcap"
"SEAL4","Senna alata (L.) Roxb.","emperor's candlesticks"
"SEAP","Selaginella apoda (L.) Spring","meadow spikemoss"
"SEAR","Selaginella arenicola Underw.","sand spikemoss"
"SEARR","Selaginella arenicola Underw. ssp. riddellii (Van Eselt.) R. Tryon","Riddell's spikemoss"
"SEAU","Selenia aurea Nutt.","golden selenia"
"SEDE2","Selaginella densa Rydb.","lesser spikemoss"
"SEDI3","Selinocarpus diffusus A. Gray","spreading moonpod"
"SEDUM","Sedum L.","stonecrop"
"SEEC","Selaginella eclipes W.R. Buck","hidden spikemoss"
"SEFL3","Senecio flaccidus Less.","threadleaf ragwort, threadleaf groundsel"
"SEHE8","Sesbania herbacea (Mill.) McVaugh","bigpod sesbania"
"SEIT","Setaria italica (L.) P. Beauv.","foxtail bristlegrass"
"SELAG","Selaginella P. Beauv.","spikemoss"
"SELIN","Selinocarpus A. Gray","moonpod"
"SEMA11","Senna marilandica (L.) Link","Maryland senna"
"SEMA3","Sesuvium maritimum (Walter) Britton, Sterns & Poggenb.","slender seapurslane"
"SENEC","Senecio L.","ragwort"
"SENU","Sedum nuttallianum Raf.","yellow stonecrop"
"SEOB4","Senna obtusifolia (L.) Irwin & Barneby","Java-bean"
"SEOC2","Senna occidentalis (L.) Link","septicweed"
"SEPA10","Setaria parviflora (Poir.) Kerguélen","marsh bristlegrass"
"SEGR7","Setaria gracilis Kunth","knotroot bristlegrass"
"SEPE","Selaginella peruviana (Milde) Hieron.","Peruvian spikemoss"
"SEFI","Setaria firmula (Hitchc. & Chase) Pilg.","knot grass"
"SERI2","Senecio riddellii Torr. & A. Gray","Riddell's ragwort"
"SERO8","Senna roemeriana (Scheele) Irwin & Barneby","twoleaf senna"
"SERU","Selaginella rupestris (L.) Spring","northern selaginella"
"SESBA","Sesbania Scop.","riverhemp"
"SESUV","Sesuvium L.","seapurslane"
"SETAR","Setaria P. Beauv.","bristlegrass"
"SEUN","Selaginella underwoodii Hieron.","Underwood's spikemoss"
"COVA2","Coronilla varia L.","purple crownvetch"
"GLVE","Glottidium vesicarium (Jacq.) Harper","bagpod"
"SEVE2","Sesuvium verrucosum Raf.","verrucose seapurslane"
"SEVI4","Setaria viridis (L.) P. Beauv.","green bristlegrass"
"SHAR2","Sherardia arvensis L.","blue fieldmadder"
"SHRO2","Shinnersoseris rostrata (A. Gray) S. Tomb","beaked skeletonweed"
"SIAB","Sida abutifolia Mill.","spreading fanpetals"
"SIAL2","Sisymbrium altissimum L.","tall tumblemustard"
"SIAN","Sicyos angulatus L.","oneseed burr cucumber"
"SIAN2","Silene antirrhina L.","sleepy silene"
"SIAN3","Sisyrinchium angustifolium Mill.","narrowleaf blue-eyed grass"
"SIAR4","Sinapis arvensis L.","charlock mustard"
"SIBAR","Sibara Greene","winged rockcress"
"SICA9","Sisyrinchium campestre E.P. Bicknell","prairie blue-eyed grass"
"SICYO","Sicyos L.","burr cucumber"
"SIDA","Sida L.","fanpetals"
"SIDER2","Sideroxylon L.","bully"
"SIIN2","Silphium integrifolium Michx.","wholeleaf rosinweed"
"SILA20","Sideroxylon lanuginosum Michx.","gum bully"
"SILA3","Silphium laciniatum L.","compassplant"
"BULA","Bumelia lanuginosa (Michx.) Pers.","chittamwood, gum bumelia, chittam, gum bully, gum elastic"
"SILEN","Silene L.","catchfly"
"SILPH","Silphium L.","rosinweed, compassplant"
"SILYB","Silybum Adans.","milkthistle"
"SIMA3","Silybum marianum (L.) Gaertn.","blessed milkthistle"
"SINAP","Sinapis L.","mustard"
"SINO","Silene noctiflora L.","nightflowering silene"
"SIOF","Sisymbrium officinale (L.) Scop.","hedgemustard"
"SIRE2","Silene regia Sims","royal catchfly"
"SIRH","Sida rhombifolia L.","cuban jute"
"SISP","Sida spinosa L.","prickly fanpetals"
"SIST","Silene stellata (L.) W.T. Aiton","widowsfrill"
"SISYR","Sisyrinchium L.","blue-eyed grass"
"SIVI2","Sibara virginica (L.) Rollins","Virginia winged rockcress"
"SIVI4","Silene virginica L.","fire pink"
"SMBO2","Smilax bona-nox L.","greenbriar, saw greenbrier"
"SMILA2","Smilax L.","greenbrier"
"SMUV","Smallanthus uvedalius (L.) Mack. ex Small","hairy leafcup"
"SOAL5","Solidago altiplanities C.E.S. Taylor & R.J. Taylor","plains goldenrod"
"SOAS","Sonchus asper (L.) Hill","spiny sowthistle"
"SOBI2","Sorghum bicolor (L.) Moench","sorghum"
"SOBIB","Sorghum bicolor (L.) Moench ssp. bicolor","grain sorghum"
"SOCA3","Solanum carolinense L.","Carolina horsenettle"
"SOCA6","Solidago canadensis L.","Canada goldenrod"
"SODI","Solanum dimidiatum Raf.","western horsenettle"
"SOEL","Solanum elaeagnifolium Cav.","silverleaf nightshade"
"SOEL3","Sorghastrum elliottii (C. Mohr) Nash","slender Indiangrass"
"SOGI","Solidago gigantea Aiton","giant goldenrod"
"SOHA","Sorghum halepense (L.) Pers.","Johnsongrass"
"SOLAN","Solanum L.","nightshade"
"SOLID","Solidago L.","goldenrod"
"SOLIV","Soliva Ruiz & Pav.","burrweed"
"SOMI2","Solidago missouriensis Nutt.","Missouri goldenrod"
"SONCH","Sonchus L.","sowthistle"
"SONU","Sophora nuttalliana B.L. Turner","silky sophora"
"SONU2","Sorghastrum nutans (L.) Nash","Indiangrass"
"SOOL","Sonchus oleraceus L.","common sowthistle"
"SOOU","Solidago ouachitensis C.E.S. Taylor & R.J. Taylor","Ouachita Mountain goldenrod"
"SOPA2","Solidago patula Muhl. ex Willd.","roundleaf goldenrod"
"SOPHO","Sophora L.","necklacepod"
"SORA","Solidago radula Nutt.","western rough goldenrod"
"SORO","Solanum rostratum Dunal","buffalobur nightshade"
"SOSE2","Soliva sessilis Ruiz & Pav.","field burrweed"
"SOWR","Solidago wrightii A. Gray","Wright's goldenrod"
"SPAI","Sporobolus airoides (Torr.) Torr.","alkali sacaton"
"SPAM","Sparganium americanum Nutt.","American bur-reed"
"SPAN","Sparganium androcladum (Engelm.) Morong","branched bur-reed"
"SPAN3","Sphaeralcea angustifolia (Cav.) G. Don","copper globemallow"
"SPARG","Sparganium L.","bur-reed"
"SPART","Spartina Schreb.","cordgrass"
"SPCE","Spiranthes cernua (L.) Rich.","nodding ladies'-tresses"
"SPCL","Sporobolus clandestinus (Biehler) Hitchc.","rough dropseed"
"SPCO","Sphaeralcea coccinea (Nutt.) Rydb.","scarlet globemallow"
"SPCO16","Sporobolus compositus (Poir.) Merr.","composite dropseed"
"SPCOC2","Sporobolus compositus (Poir.) Merr. var. compositus","tall dropseed"
"SPASH","Sporobolus asper (P. Beauv.) Kunth var. hookeri (Trin.) Vasey","meadow dropseed"
"SPCOD3","Sporobolus compositus (Poir.) Merr. var. drummondii (Trin.) Kartesz & Gandhi","Drummond's dropseed"
"SPCR","Sporobolus cryptandrus (Torr.) A. Gray","sand dropseed"
"SPDI2","Spermolepis divaricata (Walter) Raf. ex Ser.","roughfruit scaleseed"
"SPEC2","Spermolepis echinata (Nutt. ex DC.) A. Heller","bristly scaleseed"
"SPERG2","Spergularia (Pers.) J. Presl & C. Presl","sandspurry"
"SPERM","Spermacoce L.","false buttonweed"
"SPERM2","Spermolepis Raf.","scaleseed"
"SPEU","Sparganium eurycarpum Engelm.","broadfruit bur-reed"
"SPFI","Sphenopholis filiformis (Chapm.) Scribn.","longleaf wedgescale"
"SPGI","Sporobolus giganteus Nash","giant dropseed"
"SPGL2","Spermacoce glabra Michx.","smooth false buttonweed"
"SPHAE","Sphaeralcea A. St.-Hil.","globemallow"
"SPHE","Sporobolus heterolepis (A. Gray) A. Gray","prairie dropseed"
"SPHEN","Sphenopholis Scribn.","wedgescale"
"SPIGE","Spigelia L.","pinkroot"
"SPIN","Spermolepis inermis (Nutt. ex DC.) Mathias & Constance","Red River scaleseed"
"SPIN3","Sphenopholis intermedia (Rydb.) Rydb.","slender wedgescale"
"SPIN4","Sporobolus indicus (L.) R. Br.","smut grass"
"SPIRA2","Spiranthes Rich.","ladies'-tresses"
"SPIRO","Spirodela Schleid.","duckmeat"
"SPLA4","Spiranthes lacera (Raf.) Raf.","northern slender ladies'-tresses"
"SPGR8","Spiranthes gracilis (Bigelow) Beck","lady's tresses"
"SPMA3","Spigelia marilandica (L.) L.","woodland pinkroot"
"SPMA5","Spiranthes magnicamporum Sheviak","Great Plains ladies'-tresses"
"SPNE2","Sporobolus neglectus Nash","annual dropseed, puffsheath dropseed"
"SPOB","Sphenopholis obtusata (Michx.) Scribn.","prairie wedgescale"
"SPOD","Spiranthes odorata (Nutt.) Lindl.","marsh ladies'-tresses"
"SPORO","Sporobolus R. Br.","dropseed"
"SPOV","Spiranthes ovalis Lindl.","October ladies'-tresses"
"SPPE","Spartina pectinata Bosc ex Link","Prairie cordgrass"
"SPPO","Spirodela polyrrhiza (L.) Schleid.","common duckmeat"
"SPPR2","Spiranthes praecox (Walter) S. Watson","greenvein ladies'-tresses"
"SPSA5","Spergularia salina J. Presl & C. Presl","salt sandspurry"
"SPSI2","Sporobolus silveanus Swallen","Silveus' dropseed"
"SPTE5","Sporobolus texanus Vasey","Texas dropseed"
"SPTU","Spiranthes tuberosa Raf.","little ladies'-tresses"
"SPVA","Sporobolus vaginiflorus (Torr. ex A. Gray) Alph. Wood","poverty dropseed"
"SPVAO","Sporobolus vaginiflorus (Torr. ex A. Gray) Alph. Wood var. ozarkanus (Fernald) Shinners","Ozark dropseed"
"SPVE","Spiranthes vernalis Engelm. & A. Gray","spring ladies'-tresses"
"SPWR2","Sporobolus wrightii Munro ex Scribn.","big sacaton"
"SPZE","Sphenoclea zeylanica Gaertn.","chickenspike"
"STACH","Stachys L.","hedgenettle"
"SOAF","Sophora affinis Torr. & A. Gray","Eve's necklacepod"
"STAM4","Styrax americanus Lam.","American snowbell"
"STAPH","Staphylea L.","bladdernut"
"STBI2","Stylosanthes biflora (L.) Britton, Sterns & Poggenb.","sidebeak pencilflower"
"STEIN","Steinchisma Raf.","gaping grass"
"STELL","Stellaria L.","starwort"
"STENA2","Stenanthium (A. Gray) Kunth","featherbells"
"STENO2","Stenosiphon Spach","guara, stenosiphon"
"STEP","Stachys eplingii J.B. Nelson","Epling's hedgenettle"
"STEPH","Stephanomeria Nutt.","wirelettuce"
"STGR2","Stenanthium gramineum (Ker Gawl.) Morong","eastern featherbells"
"STHE4","Strophostyles helvula (L.) Elliott, orth. var.","trailing wildbean"
"PAHI11","Panicum hians Elliott","gaping panicum"
"STHY","Streptanthus hyacinthoides Hook.","smooth jewelflower"
"STILL","Stillingia Garden ex L.","toothleaf"
"STLI2","Stenosiphon linifolius (Nutt. ex James) Heynh.","false gaura"
"STMA2","Streptanthus maculatus Nutt.","clasping jewelflower"
"STME2","Stellaria media (L.) Vill.","common chickweed"
"HENI4","Hedyotis nigricans (Lam.) Fosberg","prairie bluets"
"STPA4","Stephanomeria pauciflora (Torr.) A. Nelson","brownplume wirelettuce"
"STPE12","Stuckenia pectinatus (L.) Börner, database artifact","sago pondweed"
"STPI3","Stylisma pickeringii (Torr. ex M.A. Curtis) A. Gray","Pickering's dawnflower"
"STPI6","Stachys pilosa Nutt.","hairy hedgenettle"
"STPIP2","Stylisma pickeringii (Torr. ex M.A. Curtis) A. Gray var. pattersonii (Fernald & B.G. Schub.) Myint","Patterson's dawnflower"
"STREP2","Streptanthus Nutt.","twistflower"
"STSE","Stenotaphrum secundatum (Walter) Kuntze","St. Augustine grass"
"STSQ","Streptanthus squamiformis Goodman","pineoak jewelflower"
"STSY","Stillingia sylvatica L.","queens delight"
"STTE","Stachys tenuifolia Willd.","smooth hedgenettle"
"STTE3","Stillingia texana I.M. Johnst.","Texas toothleaf"
"STTR","Staphylea trifolia L.","American bladdernut"
"STYLI","Stylisma Raf.","dawnflower"
"STYLO4","Stylosanthes Sw.","pencilflower"
"STYRA","Styrax L.","snowbell"
"SUAED","Suaeda Forssk. ex J.F. Gmel.","seepweed"
"SUCA2","Suaeda calceoliformis (Hook.) Moq.","Pursh seepweed"
"SUSU","Suaeda suffrutescens S. Watson","desert seepweed"
"SUSU2","Suckleya suckleyana (Torr.) Rydb.","poison suckleya"
"SYAN2","Symphyotrichum anomalum (Engelm.) G.L. Nesom","manyray aster"
"SYCI2","Symphyotrichum ciliatum (Ledeb.) G.L. Nesom","rayless alkali aster"
"SYDI2","Symphyotrichum divaricatum (Nutt.) G.L. Nesom","southern annual saltmarsh aster"
"SYDR","Symphyotrichum drummondii (Lindl.) G.L. Nesom","Drummond's aster"
"SYDU2","Symphyotrichum dumosum (L.) G.L. Nesom","rice button aster"
"SYER","Symphyotrichum ericoides (L.) G.L. Nesom","white heath aster"
"SYERE","Symphyotrichum ericoides (L.) G.L. Nesom var. ericoides","heathaster"
"ASER3","Aster ericoides L.","heathaster"
"SYFA","Symphyotrichum falcatum (Lindl.) G.L. Nesom","white prairie aster"
"SYFE","Symphyotrichum fendleri (A. Gray) G.L. Nesom","Fendler's aster"
"SYLA3","Symphyotrichum laeve (L.) Á. Löve & D. Löve","smooth blue aster"
"SYLA4","Symphyotrichum lateriflorum (L.) Á. Löve & D. Löve","calico aster"
"SYLA6","Symphyotrichum lanceolatum (Willd.) G.L. Nesom","white panicle aster"
"SYMPH","Symphoricarpos Duham.","snowberry"
"SYMPH4","Symphyotrichum Nees","aster"
"SYMPL2","Symplocos Jacq.","sweetleaf"
"SYNO2","Symphyotrichum novae-angliae (L.) G.L. Nesom","New England aster"
"SYOB","Symphyotrichum oblongifolium (Nutt.) G.L. Nesom","aromatic aster"
"SYOC","Symphoricarpos occidentalis Hook.","western snowberry"
"SYON","Symphyotrichum ontarione (Wiegand) G.L. Nesom, orth. var.","bottomland aster"
"SYOO","Symphyotrichum oolentangiense (Riddell) G.L. Nesom","skyblue aster"
"ASAZ","Aster azureus Lindl.","Blue aster"
"SYOR","Symphoricarpos orbiculatus Moench","buckbrush, coralberry"
"SYPA10","Symphyotrichum parviceps (Burgess) G.L. Nesom","smallhead aster"
"SYPA11","Symphyotrichum patens (Aiton) G.L. Nesom","late purple aster"
"SYPI2","Symphyotrichum pilosum (Willd.) G.L. Nesom","hairy white oldfield aster"
"SYPR5","Symphyotrichum praealtum (Poir.) G.L. Nesom","willowleaf aster"
"SYRA5","Symphyotrichum racemosum (Elliott) G.L. Nesom","smooth white oldfield aster"
"SYSE2","Symphyotrichum sericeum (Vent.) G.L. Nesom","western silver aster"
"SYTI","Symplocos tinctoria (L.) L'Hér.","common sweetleaf"
"SYTU2","Symphyotrichum turbinellum (Lindl.) G.L. Nesom","smooth violet prairie aster"
"SYUR","Symphyotrichum urophyllum (Lindl.) G.L. Nesom","white arrowleaf aster"
"TACH2","Tamarix chinensis Lour.","salt cedar, fivestamen tamarisk"
"TADI2","Taxodium distichum (L.) Rich.","bald cypress"
"TAER","Tagetes erecta L.","Aztec marigold"
"TAGET","Tagetes L.","marigold"
"TAIN","Taenidia integerrima (L.) Drude","yellow pimpernel"
"TALA2","Taraxacum laevigatum (Willd.) DC.","rock dandelion"
"TALIN2","Talinum Adans.","fameflower"
"TAMAR2","Tamarix L.","salt cedar, tamarisk"
"TANAC","Tanacetum L.","tansy"
"TAOF","Taraxacum officinale F.H. Wigg.","common dandelion"
"TARA","Tamarix ramosissima Ledeb.","saltcedar"
"TARAX","Taraxacum F.H. Wigg.","dandelion"
"TAVU","Tanacetum vulgare L.","common tansy"
"TEAC","Tetraneuris acaulis (Pursh) Greene","stemless four-nerve daisy"
"TECA3","Teucrium canadense L.","Canada germander"
"TECAO","Teucrium canadense L. var. occidentale (A. Gray) E.M. McClint. & Epling","western germander"
"TELA","Teucrium laciniatum Torr.","lacy germander"
"TELI3","Tetraneuris linearifolia (Hook.) Greene","fineleaf fournerved daisy"
"TEON","Tephrosia onobrychoides Nutt.","multibloom hoarypea"
"TEPHR","Tephrosia Pers.","hoarypea"
"TESC2","Tetraneuris scaposa (DC.) Greene","plains actinea, stemmy four-nerve daisy"
"TETRA17","Tetraneuris Greene","four-nerve daisy"
"TEUCR","Teucrium L.","germander"
"TEVI","Tephrosia virginiana (L.) Pers.","goats rue"
"THALI","Thalia L.","alligator-flag"
"THALI2","Thalictrum L.","meadow-rue"
"THAM4","Thelesperma ambiguum A. Gray","Colorado greenthread"
"THAR","Thalictrum arkansanum B. Boivin","Arkansas meadow-rue"
"THAR5","Thlaspi arvense L.","field pennycress"
"THASP","Thaspium Nutt.","meadowparsnip"
"THBA","Thaspium barbinode (Michx.) Nutt.","hairyjoint meadowparsnip"
"THDA","Thalictrum dasycarpum Fisch. & Avé-Lall.","purple meadow-rue"
"THDE","Thalia dealbata Fraser ex Roscoe","powdery alligator-flag"
"THELE","Thelesperma Less.","greenthread"
"THELY2","Thelypteris Schmidel","maiden fern"
"THERM","Thermopsis R. Br.","goldenbanner"
"THFI","Thelesperma filifolium (Hook.) A. Gray","plains greenthread, stiff greenthread"
"THFIF","Thelesperma filifolium (Hook.) A. Gray var. filifolium","stiff greenthread"
"THLAS","Thlaspi L.","pennycress"
"THME","Thelesperma megapotamicum (Spreng.) Kuntze","Hopi tea greenthread"
"THNO","Thelypteris noveboracensis (L.) Nieuwl.","New York fern"
"THPA","Thelypteris palustris Schott","eastern marsh fern"
"THRE","Thalictrum revolutum DC.","waxyleaf meadow-rue"
"THRH","Thermopsis rhombifolia (Nutt. ex Pursh) Nutt. ex Richardson","prairie thermopsis"
"THTH2","Thalictrum thalictroides (L.) Eames & B. Boivin","rue anemone"
"THTR","Thaspium trifoliatum (L.) A. Gray","purple meadowparsnip"
"THWR","Thelypodium wrightii A. Gray","Wright's thelypody"
"THWRO","Thelypodium wrightii A. Gray ssp. oklahomense Al-Shehbaz","Oklahoma thelypody"
"TIAM","Tilia americana L.","American basswood"
"TIAMC","Tilia americana L. var. caroliniana (Mill.) Castigl.","Carolina basswood"
"TIDES","Tidestromia Standl.","honeysweet"
"TIDI","Tipularia discolor (Pursh) Nutt.","crippled cranefly"
"COGR","Coldenia greggii (Torr. & A. Gray) A. Gray","Bigflower coreopsis, large flower tickseed"
"TILA2","Tidestromia lanuginosa (Nutt.) Standl.","woolly tidestromia"
"TILIA","Tilia L.","basswood"
"TOAR","Torilis arvensis (Huds.) Link","spreading hedgeparsley"
"TOEX2","Townsendia exscapa (Richardson) Porter","stemless Townsend daisy"
"TONO","Torilis nodosa (L.) Gaertn.","knotted hedgeparsley"
"TORA2","Toxicodendron radicans (L.) Kuntze","poison ivy"
"TORIL","Torilis Adans.","hedgeparsley"
"TOTE2","Townsendia texensis Larsen","Texas Townsend daisy"
"TOWNS","Townsendia Hook.","Townsend daisy"
"TRADE","Tradescantia L.","spiderwort"
"TRAE","Triticum aestivum L.","common wheat"
"TRAE2","Trepocarpus aethusae Nutt. ex DC.","whitenymph"
"TRAGI","Tragia L.","noseburn"
"TRAGO","Tragopogon L.","goatsbeard"
"TRAL2","Tridens albescens (Vasey) Wooton & Standl.","white tridens"
"TRAN3","Triosteum angustifolium L.","yellowfruit horse-gentian"
"TRAR4","Trifolium arvense L.","rabbitfoot clover"
"TRAU4","Triosteum aurantiacum E.P. Bicknell","orangefruit horse-gentian"
"TRAUI","Triosteum aurantiacum E.P. Bicknell var. illinoense (Wiegand) Palmer & Steyerm.","Illinois horse-gentian"
"TRBE4","Tragia betonicifolia Nutt.","betonyleaf noseburn"
"ISBR3","Isanthus brachiatus (L.) Britton, Sterns & Poggenb.","fluxweed"
"TRCO","Tragia cordata Michx.","heartleaf noseburn"
"TRDA3","Tripsacum dactyloides (L.) L.","eastern gamagrass"
"TRDI2","Trichostema dichotomum L.","forked bluecurls"
"TRDU","Tragopogon dubius Scop.","yellow salsify"
"TRFL2","Tridens flavus (L.) Hitchc.","purpletop tridens"
"TRFL5","Trisetum flavescens (L.) P. Beauv.","yellow oatgrass"
"TRFLC","Tridens flavus (L.) Hitchc. var. chapmanii (Small) Shinners","Chapman's tridens"
"TRHO2","Triodanis holzingeri McVaugh","Holzinger's Venus' looking-glass"
"TRHY","Trifolium hybridum L.","alsike clover"
"TRIAD","Triadenum Raf.","marsh St. Johnswort"
"TRIBU","Tribulus L.","punturevine"
"TRICH9","Trichostema L.","bluecurls"
"TRIDE","Tridens Roem. & Schult.","tridens"
"TRIFO","Trifolium L.","clover"
"TRIGL","Triglochin L.","arrowgrass"
"TRIN3","Trifolium incarnatum L.","crimson clover"
"TRIN5","Trisetum interruptum Buckley","prairie false oat"
"TRIOD","Triodanis Raf. ex Greene","Venus' looking-glass"
"TRIOS","Triosteum L.","horse-gentian"
"TRIPH","Triphora Nutt.","noddingcaps"
"TRIPL2","Triplasis P. Beauv.","sandgrass"
"TRIPS","Tripsacum L.","gamagrass"
"TRISE","Trisetum Pers.","oatgrass"
"TRITI","Triticum L.","wheat"
"TRLA10","Triodanis lamprosperma McVaugh","prairie Venus' looking-glass"
"TRLE3","Triodanis leptocarpa (Nutt.) Nieuwl.","slimpod Venus' looking-glass"
"TRMA4","Triglochin maritimum L., orth. var.","seaside arrowgrass"
"TRMU","Tridens muticus (Torr.) Nash","slim tridens"
"TRMUE","Tridens muticus (Torr.) Nash var. elongatus (Buckley) Shinners","Rough tridens"
"TROC","Tradescantia occidentalis (Britton) Smyth","prairie spiderwort"
"TROH","Tradescantia ohiensis Raf.","bluejacket"
"TROZ","Tradescantia ozarkana E.S. Anderson & Woodson","Ozark spiderwort"
"TRPE4","Triodanis perfoliata (L.) Nieuwl.","clasping Venus' looking-glass"
"TRPE5","Triosteum perfoliatum L.","feverwort"
"TRPO","Tragopogon porrifolius L.","salsify"
"TRPO2","Trianthema portulacastrum L.","desert horsepurslane"
"TRPR","Tragopogon pratensis L.","goats beard, meadow salisfy, Jack-go-to-bed-at-noon"
"TRPR2","Trifolium pratense L.","red clover"
"TRPU3","Trillium pusillum Michx.","dwarf wakerobin"
"TRPU4","Triplasis purpurea (Walter) Chapm.","purple sandgrass"
"TRPUO","Trillium pusillum Michx. var. ozarkanum (Palmer & Steyerm.) Steyerm.","Ozark wakerobin"
"TRRA5","Tragia ramosa Torr.","tragia (noseburn), branched noseburn"
"TRRE3","Trifolium repens L.","white clover"
"TRRE5","Trillium recurvatum Beck","bloody butcher"
"TRSE2","Trillium sessile L.","toadshade"
"TRST2","Tridens strictus (Nutt.) Nash","longspike tridens"
"TRTE","Tribulus terrestris L.","puncturevine"
"TRTR3","Triphora trianthophora (Sw.) Rydb.","threebirds"
"TRTU","Triadenum tubulosum (Walter) Gleason","lesser marsh St. Johnswort"
"TRUN6","Tristagma uniflorum (Lindl.) Traub","springstar"
"TRVE","Trifolium vesiculosum Savi","arrowleaf clover"
"TRVI2","Triadenum virginicum (L.) Raf.","Virginia marsh St. Johnswort"
"TRVI5","Trillium viridescens Nutt.","tapertip wakerobin"
"TRWA","Triadenum walteri (J.G. Gmel.) Gleason","greater marsh St. Johnswort"
"TYAN","Typha angustifolia L.","narrowleaf cattail"
"TYDO","Typha domingensis Pers.","southern cattail"
"TYLA","Typha latifolia L.","broadleaf cattail"
"TYPHA","Typha L.","cattail"
"ULAL","Ulmus alata Michx.","winged elm"
"ULAM","Ulmus americana L.","American elm"
"ULMUS","Ulmus L.","elm"
"ULPA","Ulmus parvifolia Jacq.","Chinese elm"
"ULPU","Ulmus pumila L.","Siberian elm"
"URCH3","Urtica chamaedryoides Pursh","heartleaf nettle"
"URCI","Urochloa ciliatissima (Buckley) R. Webster","fringed signalgrass"
"URDI","Urtica dioica L.","stinging nettle"
"URDIG","Urtica dioica L. ssp. gracilis (Aiton) Seland.","California nettle"
"URFA","Urochloa fasciculata (Sw.) R. Webster, nom. illeg.","browntop signalgrass"
"UROCH","Urochloa P. Beauv.","signalgrass"
"URPL2","Urochloa platyphylla (Munro ex C. Wright) R.D. Webster","broadleaf signalgrass"
"URTE2","Urochloa texana (Buckley) R. Webster","Texas signalgrass"
"URTIC","Urtica L.","nettle"
"URUR","Urtica urens L.","dwarf nettle"
"UTGI","Utricularia gibba L.","humped bladderwort"
"UTIN","Utricularia inflata Walter","swollen bladderwort"
"UTJU","Utricularia juncea Vahl","southern bladderwort"
"UTMA","Utricularia macrorhiza Leconte","common bladderwort"
"UTRA","Utricularia radiata Small","little floating bladderwort"
"UTRIC","Utricularia L.","bladderwort"
"UTST","Utricularia striata Leconte ex Torr.","striped bladderwort"
"UTSU","Utricularia subulata L.","zigzag bladderwort"
"UVGR","Uvularia grandiflora Sm.","largeflower bellwort"
"UVPE","Uvularia perfoliata L.","perfoliate bellwort"
"UVSE","Uvularia sessilifolia L.","sessileleaf bellwort"
"UVULA","Uvularia L.","bellwort"
"VAAM3","Vallisneria americana Michx.","American eelgrass"
"VAAR","Vaccinium arboreum Marshall","farkleberry"
"VACCA","Vaccaria von Wolf","soapwort"
"VACCI","Vaccinium L.","blueberry"
"VAHI2","Vaccaria hispanica (Mill.) Rauschert","cow soapwort"
"VALER2","Valerianella Mill.","cornsalad"
"VALLI","Vallisneria L.","eelgrass"
"VARA","Valerianella radiata (L.) Dufr.","beaked cornsalad"
"VAST","Vaccinium stamineum L.","deerberry"
"VEAG","Veronica agrestis L.","green field speedwell"
"VEAL","Verbesina alternifolia (L.) Britton ex Kearney","wingstem"
"VEAM2","Veronica americana Schwein. ex Benth.","American speedwell"
"VEAN2","Veronica anagallis-aquatica L.","water speedwell"
"VEAR","Veronica arvensis L.","corn speedwell"
"VEAR3","Vernonia arkansana DC.","Arkansas ironweed"
"VECR2","Vernonia crinita Raf.","bur ironweed"
"VEBA","Vernonia baldwinii Torr.","Baldwin's ironweed, western ironweed"
"VEBO","Verbena bonariensis L.","purpletop vervain"
"VEBR","Verbena bracteata Cav. ex Lag. & Rodr.","bigbract verbena"
"VEBR2","Verbena brasiliensis Vell.","Brazilian vervain"
"VEEN","Verbesina encelioides (Cav.) Benth. & Hook. f. ex A. Gray","golden crownbeard"
"VEFA2","Vernonia fasciculata Michx.","prairie ironweed"
"VEGI","Vernonia gigantea (Walter) Trel.","giant ironweed"
"VEHA","Verbena halei Small","Texas vervain"
"VEHA2","Verbena hastata L.","swamp verbena"
"VEHE2","Veronica hederifolia L.","ivyleaf speedwell"
"VEMA2","Vernonia marginata (Torr.) Raf.","plains ironweed"
"VEMI2","Vernonia missurica Raf.","Missouri ironweed"
"VEOC","Verbesina occidentalis (L.) Walter","yellow crownbeard"
"VEPE2","Veronica peregrina L.","neckweed"
"VEPE3","Veronica persica Poir.","birdeye speedwell"
"VEPEX2","Veronica peregrina L. ssp. xalapensis (Kunth) Pennell","hairy purslane speedwell"
"VEPL","Verbena plicata Greene","fanleaf vervain"
"VERBA","Verbascum L.","mullein"
"VERBE","Verbena L.","vervain"
"VERBE2","Verbesina L.","crownbeard"
"VERI2","Verbena rigida Spreng.","tuberous vervain"
"VERNO","Vernonia Schreb.","ironweed"
"VERON","Veronica L.","speedwell"
"VESI","Verbena simplex Lehm.","narrowleaf vervain"
"VEST","Verbena stricta Vent.","woolly verbena, hoary verbena"
"VETE3","Vernonia texana (A. Gray) Small","Texas ironweed"
"VETH","Verbascum thapsus L.","common mullein"
"VETR","Veronica triphyllos L.","finger speedwell"
"VEUR","Verbena urticifolia L.","white vervain"
"VEVI3","Verbesina virginica L.","white crownbeard"
"VEVI4","Veronicastrum virginicum (L.) Farw.","Culver's root"
"MEVI2","Melanthium virginicum L.","Virginia bunchflower"
"MEWO","Melanthium woodii (J.W. Robbins ex Alph. Wood) Bodkin","Wood's bunchflower"
"VEXU","Verbena xutha Lehm.","gulf vervain"
"VIAF2","Viola affinis Leconte","sand violet"
"VIAG","Vitex agnus-castus L.","lilac chastetree"
"VIAM","Vicia americana Muhl. ex Willd.","American vetch"
"VIBI","Viola bicolor Pursh","field pansy"
"VICIA","Vicia L.","vetch"
"VILA4","Viola lanceolata L.","bog white violet"
"VILO3","Viola lovelliana Brainerd, database artifact","Lovell's violet"
"VINE","Viola nephrophylla Greene","northern bog violet"
"VINE2","Vitex negundo L.","negundo chastetree"
"VIOD","Viola odorata L.","sweet violet"
"VIOLA","Viola L.","violet"
"VIPA3","Viola palmata L., database artifact","early blue violet"
"VIPE","Viola pedata L.","birdfoot violet"
"VIPE2","Viola pedatifida G. Don","prairie violet"
"VIPR","Viburnum prunifolium L.","blackhaw"
"VIPU3","Viola pubescens Aiton","downy yellow violet"
"VIRO3","Vitis rotundifolia Michx.","muscadine, muscadine grape"
"VIRU","Viburnum rufidulum Raf.","rusty black haw, nanny-berry"
"VISA2","Viola sagittata Aiton","arrowleaf violet"
"VISO","Viola sororia Willd.","common blue violet"
"VIST3","Viola striata Aiton","striped cream violet"
"VITEX","Vitex L.","chastetree"
"VITIS","Vitis L.","grape"
"VITR","Viola tricolor L.","johnny jumpup"
"VIVI","Vicia villosa Roth","hairy vetch"
"VIVI2","Viola viarum Pollard, database artifact","twoflower violet"
"VIVI3","Viola villosa Walter","Carolina violet"
"VUBR","Vulpia bromoides (L.) Gray","brome fescue"
"VULPI","Vulpia C.C. Gmel.","fescue"
"VUMY","Vulpia myuros (L.) C.C. Gmel.","rat-tail fescue"
"VUOC","Vulpia octoflora (Walter) Rydb.","sixweeks fescue"
"WARNO","Warnockia M.W. Turner","brazosmint"
"WASC","Warnockia scutellarioides (Engelm. & A. Gray) M.W. Turner","prairie brazosmint"
"WIFR","Wisteria frutescens (L.) Poir.","American wisteria"
"WISTE","Wisteria Nutt.","wisteria"
"WOAP","Woodsia appalachiana T.M.C. Taylor","Appalachian cliff fern"
"WOAR","Woodwardia areolata (L.) T. Moore","netted chainfern"
"WOBR","Wolffia brasiliensis Weddell","Brazilian watermeal"
"WOCO","Wolffia columbiana Karst.","Columbian watermeal"
"WOGL2","Wolffiella gladiata (Hegelm.) Hegelm.","Florida mudmidget"
"WOLFF","Wolffia Horkel ex Schleid.","watermeal"
"WOLFF2","Wolffiella Hegelm.","bogmat"
"WONE","Woodsia neomexicana Windham","New Mexico cliff fern"
"WOOB2","Woodsia obtusa (Spreng.) Torr.","bluntlobe cliff fern"
"WOOBO2","Woodsia obtusa (Spreng.) Torr. ssp. occidentalis Windham","western cliff fern"
"WOODS","Woodsia R. Br.","cliff fern"
"WOODW","Woodwardia Sm.","chainfern"
"WOOR","Woodsia oregana D.C. Eaton","Oregon cliff fern"
"WOPL","Woodsia plummerae Lemmon","Plummer's cliff fern"
"XANTH","Xanthisma DC.","sleepydaisy"
"XANTH2","Xanthium L.","cocklebur"
"XAST","Xanthium strumarium L.","common cocklebur, rough cockleburr"
"XATE","Xanthisma texanum DC.","Texas sleepydaisy"
"XATED2","Xanthisma texanum DC. ssp. drummondii (Torr. & A. Gray) Semple","Drummond's sleepydaisy"
"XYDI","Xyris difformis Chapm.","bog yelloweyed grass"
"XYRIS","Xyris L.","yelloweyed grass"
"XYTO","Xyris torta Sm.","slender yelloweyed grass"
"YUAR2","Yucca arkansana Trel.","Arkansas yucca"
"YUCA","Yucca campestris McKelvey","plains yucca"
"YUCCA","Yucca L.","yucca"
"YUGL","Yucca glauca Nutt.","yucca, soapweed yucca"
"ZAAM","Zanthoxylum americanum Mill.","common pricklyash"
"ZACL","Zanthoxylum clava-herculis L.","Hercules' club"
"ZAHI2","Zanthoxylum hirsutum Buckley","Texas Hercules' club"
"ZANTH","Zanthoxylum L.","pricklyash"
"ZAPA","Zannichellia palustris L.","horned pondweed"
"ZIAP","Zizia aptera (A. Gray) Fernald","meadow zizia"
"ZIAU","Zizia aurea (L.) W.D.J. Koch","golden zizia"
"ZIGAD","Zigadenus Michx.","deathcamas"
"ZIGR","Zinnia grandiflora Nutt.","Rocky Mountain zinnia"
"ZIMI","Zizaniopsis miliacea (Michx.) Döll & Asch.","giant cutgrass"
"ZINNI","Zinnia L.","zinnia"
"ZINU","Zigadenus nuttallii (A. Gray) S. Watson","Nuttall's deathcamas"
"ZIOB","Ziziphus obtusifolia (Hook. ex Torr. & A. Gray) A. Gray","lotebush"
"ZIZAN2","Zizaniopsis Döll & Asch.","cutgrass"
"ZIZIP","Ziziphus Mill.","jujube"