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About Weeds of the U.S.
NRCS Invasive Species Policy
Invasive Species Executive Order 13112
U.S. Weeds with Scientific Name =O*
29 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. 200_. 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 (19 October 1999). 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, & J.M. DiTomaso. Weeds of the Northeast. Cornell University Press, Ithaca, New York. |
| NE&GP |
Stubbendieck, J., G.Y. Friisoe, & 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. |
| 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 |
Scientific Name
Common Name |
Source |
Native Status* |
| ONAC2 |
Onopordum acaulon |
US |
|
ONOPO
|
Onopordum
thistle |
STATE
|
|
OPAU10
|
Opuntia aurantiaca
jointed prickly pear |
US, STATE
|
|
OROBA
|
Orobanche
broomrape |
US, STATE
|
|
ORLO3
|
Oryza longistaminata
longstamen rice
red rice |
US, STATE
|
|
ORPU13
|
Oryza punctata
red rice |
US, STATE
|
|
OXPA3
|
Oxyspora paniculata
bristletips |
STATE, HEAR
|
HI (I) |
OCEL
|
Ochrosia elliptica
elliptic yellowwood
kopsia |
FLEPPC
|
L48 (I) |
ONAL5
|
Ononis alopecuroides
foxtail restharrow |
STATE, Cal-IPC
|
L48 (I) |
ONIL
|
Onopordum illyricum
thistle |
US, STATE
|
L48 (I) |
ONTA
|
Onopordum tauricum
taurus cotton thistle |
STATE
|
L48 (I) |
ORMI
|
Orobanche minor
hellroot
small broomrape |
STATE
|
L48 (I) |
ORRA
|
Orobanche ramosa
branched broomrape |
STATE
|
L48 (I) |
ORRU
|
Oryza rufipogon
brownbeard rice
red rice
wild red rice |
US, STATE
|
L48 (I) |
OTAL
|
Ottelia alismoides
duck lettuce |
US, STATE
|
L48 (I) |
ORUM
|
Ornithogalum umbellatum
Pyrenees star of Bethlehem
star-of-Bethlehem |
STATE, KY, N'EAST, SEEPPC
|
L48 (I), CAN (I) |
ONAC
|
Onopordum acanthium
Scotch cotton thistle
Scotch thistle
cotton thistle
heraldic thistle |
STATE, NE&GP, SWSS, WSWS
|
L48 (I), CAN (W) |
OLEU
|
Olea europaea
olive |
Cal-IPC, HEAR
|
L48 (I), HI (I) |
OEMA2
|
Oeceoclades maculata
ground orchid |
FLEPPC
|
L48 (I), PR (I), VI (I) |
ORSA
|
Oryza sativa
rice |
STATE, SWSS
|
L48 (I), PR (I), VI (I) |
ORCO4
|
Orobanche cooperi
Cooper's broomrape |
STATE
|
L48 (N) |
OXSE
|
Oxytropis sericea
locoweed
silky crazyweed
white locoweed |
WSWS
|
L48 (N) |
OXST
|
Oxalis stricta
common yellow oxalis
sheep sorrel
sourgrass
toad sorrel
yellow woodsorrel |
KY, N'EAST, NE&GP, SWSS
|
L48 (N), CAN (I) |
OEBI
|
Oenothera biennis
common evening primrose
hoary eveningprimrose |
KY, NE&GP, SWSS
|
L48 (N), CAN (N) |
OPFR
|
Opuntia fragilis
brittle cactus
brittle pricklypear
fragile cactus
jumping cactus
little pricklypear |
NE&GP
|
L48 (N), CAN (N) |
OPPO
|
Opuntia polyacantha
plains pricklypear |
NE&GP, WSWS
|
L48 (N), CAN (N) |
OXLA3
|
Oxytropis lambertii
Lambert crazyweed
Lambert loco
purple locoweed
stemless loco
white woollyloco
whitepoint locoweed |
NE&GP
|
L48 (N), CAN (N) |
OELA
|
Oenothera laciniata
cut-leaved evening primrose |
N'EAST, SWSS
|
L48 (N), HI (I), CAN (I) |
OXCO
|
Oxalis corniculata
'ihi
creeping oxalis
creeping woods
oxalis
yellow oxalis
yellow wood sorrel |
WSWS
|
L48 (N), HI (I), PR (N), VI (N), CAN (I) |
|
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