About Weeds of the U.S.
NRCS Invasive Species Policy
Invasive Species Executive Order 13112
U.S. Weeds with Scientific Name =U*
21 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* |
URLO |
aramina Urena lobata |
STATE, FLEPPC |
(I,N), L48 (I), HI (I), PR (N), VI (N) |
URPL2 BRPL2 |
broadleaf signalgrass Urochloa platyphylla Brachiaria platyphylla |
KY, SWSS |
L48 (N) |
URRA BRRA80 |
browntop millet Urochloa ramosa Brachiaria ramosa |
SWSS |
L48 (I) |
URFU2 PAFA6 |
browntop signalgrass Urochloa fusca Panicum fasciculatum |
SWSS |
L48 (N), PR (N), VI (N) |
URMU |
buffalo grass Urochloa mutica |
FLEPPC |
(I), L48 (I), HI (I), PR (I), VI (I) |
URLO |
Caesar weed Urena lobata |
STATE, FLEPPC |
(I,N), L48 (I), HI (I), PR (N), VI (N) |
URMU |
California grass Urochloa mutica |
FLEPPC |
(I), L48 (I), HI (I), PR (I), VI (I) |
URDIG URDIP2 |
California nettle Urtica dioica ssp. gracilis Urtica dioica var. procera |
N'EAST |
L48 (N), AK (N), CAN (N), SPM (N) |
URDI |
California nettle Urtica dioica |
NE&GP, SEEPPC, WSWS |
(I,N), L48 (I,N), AK (NI), CAN (NI), GL (I), SPM (NI) |
ULPA |
Chinese elm Ulmus parvifolia |
WI |
L48 (I), CAN (I) |
ULPU |
Chinese elm Ulmus pumila |
STATE, NE&GP, SEEPPC |
L48 (I), CAN (I) |
URLO |
chosuched e kui Urena lobata |
STATE, FLEPPC |
(I,N), L48 (I), HI (I), PR (N), VI (N) |
URLO |
dadangsi apaka Urena lobata |
STATE, FLEPPC |
(I,N), L48 (I), HI (I), PR (N), VI (N) |
URRA BRRA80 |
dixie signalgrass Urochloa ramosa Brachiaria ramosa |
SWSS |
L48 (I) |
ULEU |
furze Ulex europaeus |
STATE, Cal-IPC, HEAR, WSWS |
L48 (I), HI (I), CAN (I) |
ULEU |
gorse Ulex europaeus |
STATE, Cal-IPC, HEAR, WSWS |
L48 (I), HI (I), CAN (I) |
URMA3 PAMA4 |
guineagrass Urochloa maxima Panicum maximum |
HEAR |
(I), L48 (I), HI (I), PR (I), VI (I) |
URLO |
hibiscus burr Urena lobata |
STATE, FLEPPC |
(I,N), L48 (I), HI (I), PR (N), VI (N) |
URLO |
jute africain Urena lobata |
STATE, FLEPPC |
(I,N), L48 (I), HI (I), PR (N), VI (N) |
ULPA |
lacebark elm Ulmus parvifolia |
WI |
L48 (I), CAN (I) |
URPA |
liveseed grass Urochloa panicoides |
US, STATE |
L48 (I) |
URMU |
Mauritius grass Urochloa mutica |
FLEPPC |
(I), L48 (I), HI (I), PR (I), VI (I) |
URMU |
para grass Urochloa mutica |
FLEPPC |
(I), L48 (I), HI (I), PR (I), VI (I) |
URMU BRMU |
para grass Urochloa mutica Brachiaria mutica |
FLEPPC HEAR |
(I), L48 (I), HI (I), PR (I), VI (I) |
URMU |
puakatau Urochloa mutica |
FLEPPC |
(I), L48 (I), HI (I), PR (I), VI (I) |
ULPU |
Siberian elm Ulmus pumila |
STATE, NE&GP, SEEPPC |
L48 (I), CAN (I) |
URDIG URDIP2 |
slender nettle Urtica dioica ssp. gracilis Urtica dioica var. procera |
N'EAST |
L48 (N), AK (N), CAN (N), SPM (N) |
URDI |
slender nettle Urtica dioica |
NE&GP, SEEPPC, WSWS |
(I,N), L48 (I,N), AK (NI), CAN (NI), GL (I), SPM (NI) |
URDIG URDIP2 |
stinging nettle Urtica dioica ssp. gracilis Urtica dioica var. procera |
N'EAST |
L48 (N), AK (N), CAN (N), SPM (N) |
URDI |
stinging nettle Urtica dioica |
NE&GP, SEEPPC, WSWS |
(I,N), L48 (I,N), AK (NI), CAN (NI), GL (I), SPM (NI) |
UTIN |
swollen bladderwort Utricularia inflata |
STATE |
L48 (N) |
URDIG URDIP2 |
tall nettle Urtica dioica ssp. gracilis Urtica dioica var. procera |
N'EAST |
L48 (N), AK (N), CAN (N), SPM (N) |
URDI |
tall nettle Urtica dioica |
NE&GP, SEEPPC, WSWS |
(I,N), L48 (I,N), AK (NI), CAN (NI), GL (I), SPM (NI) |
URTE2 PATE14 |
Texas signalgrass Urochloa texana Panicum texanum |
SWSS |
L48 (N) |
ULEU |
whin Ulex europaeus |
STATE, Cal-IPC, HEAR, WSWS |
L48 (I), HI (I), CAN (I) |
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