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About Weeds of the U.S.
NRCS Invasive Species Policy
Invasive Species Executive Order 13112
U.S. Weeds with Common Name =O*
44 records returned
Click on an accepted name below to view its PLANTS Profile with more information, and
web links if available. Invasive plants that are synonyms are indented beneath the
current PLANTS accepted name.
You may view invasive lists by source by clicking
on the source acronyms at the top of the report.
| U.S. |
USDA, Animal and Plant Health Inspection Service (APHIS), Plant Protection and Quarantine (PPQ). Federal noxious weed list (1 February 2012). USDA, APHIS, PPQ, Washington, DC. |
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USDA, Animal and Plant Health Inspection Service (APHIS), Plant Protection and Quarantine (PPQ). State Plant Regulatory Officials letters. National Plant Board |
| STATE |
Assorted authors. State noxious weed lists for 46 states. State agriculture or natural resource departments. |
| Cal-IPC |
California Invasive Plant Council. California Invasive Plant Inventory. Cal-IPC Publication 2006-02 (1 February 2007). California Invasive Plant Council, Berkeley, California. |
| FLEPPC |
Florida Exotic Pest Plant Council. Invasive plant list. Florida Exotic Pest Plant Council, Florida. |
| HEAR |
USDI, Geological Survey. Information index for selected alien plants in Hawaii (20 October 2003). Hawaiian Ecosystems at Risk Project, Biological Resources Division, Haleakala Field Station, Makawao, Hawaii. |
| KY |
Haragan, P.D. Weeds of Kentucky and adjacent states: a field guide. The University Press of Kentucky, Lexington, Kentucky. |
| N'EAST |
Uva, R.H., J.C. Neal,and J.M. DiTomaso. Weeds of the Northeast. Cornell University Press, Ithaca, New York. |
| NE&GP |
Stubbendieck, J., G.Y. Friisoe,and M.R. Bolick. Weeds of Nebraska and the Great Plains. Nebraska Department of Agriculture, Bureau of Plant Industry, Lincoln, Nebraska. |
| SEEPPC |
Southeast Exotic Pest Plant Council. Invasive exotic pest plants in Tennessee (19 October 1999). Research Committee of the Tennessee Exotic Pest Plant Council, Tennessee. |
| SWSS |
Southern Weed Science Society. Weeds of the United States and Canada. CD-ROM. Southern Weed Science Society, Champaign, Illinois. |
| WI |
Hoffman, R.and K. Kearns (eds.). Wisconsin manual of control recommendations for ecologically invasive plants. Wisconsin Dept. Natural Resources, Madison, Wisconsin. |
| WSWS |
Whitson, T.D. (ed.) et al. Weeds of the West. Western Society of Weed Science in cooperation with Cooperative Extension Services, University of Wyoming, Laramie, Wyoming. |
| Symbol |
Common Name
Scientific Name |
Source |
Native Status* |
AVFA |
oatgrass
Avena fatua |
STATE, Cal-IPC, SWSS, WSWS |
L48 (I), AK (I), HI (I), CAN (I) |
EUOB4 |
oblong spurge
Euphorbia oblongata |
STATE |
L48 (I) |
SCAC2 |
octopus tree
Schefflera actinophylla |
FLEPPC, HEAR |
(I), L48 (I), HI (I), PR (I), VI (I) |
PAEL6
DEEL3 |
oiltree
Paraderris elliptica
Derris elliptica |
HEAR
HEAR |
(N) |
ABES |
okra
Abelmoschus esculentus |
SWSS |
(I), L48 (I), PR (I), VI (I) |
RURO |
ola'a
Rubus rosifolius |
HEAR, N'EAST |
HI (I), PR (I) |
CLVI6 |
old man's
Clematis vitalba |
STATE |
L48 (I), CAN (I) |
CASE13 |
old man's night cap
Calystegia sepium |
STATE, KY, N'EAST, NE&GP, SWSS, WSWS |
L48 (NI), AK (I), CAN (N), SPM (I) |
LYMI |
Old World climbing fern
Lygodium microphyllum |
STATE, FLEPPC |
(N), L48 (I) |
POSI2 |
oldfield cinquefoil
Potentilla simplex |
N'EAST |
L48 (N), CAN (N), SPM (I) |
TRAR4 |
oldfield clover
Trifolium arvense |
N'EAST |
(I,W), L48 (I), HI (I), CAN (I), SPM (W) |
POSI2 |
oldfield fivefingers
Potentilla simplex |
N'EAST |
L48 (N), CAN (N), SPM (I) |
ELAN |
oleaster
Elaeagnus angustifolia |
STATE, Cal-IPC, NE&GP, WI, WSWS |
L48 (I), CAN (I) |
ELUM |
oleaster
Elaeagnus umbellata |
STATE, SEEPPC, WI |
L48 (I), HI (I), CAN (I) |
OLEU |
olive
Olea europaea |
Cal-IPC, HEAR |
L48 (I), HI (I) |
NAMI2
ROMI3 |
onerow yellowcress
Nasturtium microphyllum
Rorippa microphylla |
STATE |
L48 (I), AK (I), HI (I), CAN (I), SPM (I) |
PACR15 |
onion vine
Paederia cruddasiana |
STATE, FLEPPC |
L48 (I) |
ASFI2 |
onionweed
Asphodelus fistulosus |
US, STATE |
L48 (I) |
PASO2 |
opium poppy
Papaver somniferum |
STATE |
L48 (I), CAN (W), GL (W) |
ATSU2 |
orach saltbush
Atriplex subspicata |
NE&GP |
L48 (N) |
HEFU |
orange day lily
Hemerocallis fulva |
WI |
L48 (I), CAN (I) |
HIAU |
orange hawkweed
Hieracium aurantiacum |
STATE, WI, WSWS |
L48 (I), AK (I), CAN (I), SPM (I) |
MUEX2
MUPA4 |
orange-jessamine
Murraya exotica
Murraya paniculata |
FLEPPC |
L48 (I), PR (I), VI (I) |
DAGL |
orchardgrass
Dactylis glomerata |
N'EAST, NE&GP |
L48 (I), AK (I), HI (I), PR (I), CAN (I), GL (I), SPM (I) |
BAVA |
orchid tree
Bauhinia variegata |
FLEPPC |
L48 (I), PR (I) |
CEOR7 |
Oriental bittersweet
Celastrus orbiculatus |
STATE, N'EAST, SEEPPC, WI |
L48 (I), CAN (I) |
BRSE11
BRGY |
oriental mangrove
Bruguiera sexangula
Bruguiera gymnorrhiza |
HEAR |
HI (I) |
TROR |
oriental trema
Trema orientalis |
HEAR |
(N), L48 (I), HI (I) |
POAR11 |
ovalleaf knotweed
Polygonum arenastrum |
NE&GP |
L48 (I), AK (I), HI (I), VI (I), CAN (I) |
MIMI5 |
ovaova
Mikania micrantha |
US, STATE |
L48 (I), PR (N) |
AEGE |
ovate goatgrass
Aegilops geniculata |
WI |
L48 (I) |
AEGE
AEOV2 |
ovate goatgrass
Aegilops geniculata
Aegilops ovata |
WI
STATE |
L48 (I) |
OXCO |
oxalis
Oxalis corniculata |
WSWS |
(I), L48 (N), HI (I), PR (N), VI (N), CAN (I) |
HEHE5 |
oxeye
Heliopsis helianthoides |
NE&GP |
L48 (N), CAN (N) |
LEVU |
oxeye daisy
Leucanthemum vulgare |
STATE, Cal-IPC |
L48 (I), AK (I), HI (I), CAN (I), SPM (I) |
LEVU
CHLE80 |
oxeye daisy
Leucanthemum vulgare
Chrysanthemum leucanthemum |
STATE, Cal-IPC
STATE, SEEPPC, WSWS |
L48 (I), AK (I), HI (I), CAN (I), SPM (I) |
LEVU
CHLEP |
oxeye daisy
Leucanthemum vulgare
Chrysanthemum leucanthemum var. pinnatifidum |
STATE, Cal-IPC
STATE, KY, N'EAST, SWSS, WI |
L48 (I), AK (I), HI (I), CAN (I), SPM (I) |
SESQ |
Oxford ragwort
Senecio squalidus |
STATE |
L48 (I), CAN (N) |
LAMA15 |
oxygen weed
Lagarosiphon major |
US, STATE |
|
TRSP8 |
oyster plant
Tradescantia spathacea |
FLEPPC |
(I), L48 (I), HI (I), PR (I), VI (I) |
PEHA |
ozallaik
Peganum harmala |
STATE, WSWS |
L48 (I) |
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