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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