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You are here: Home / Introduced, Invasive and Noxious Plants / Weeds of the U.S. Printer-Friendly Printer-Friendly / Download
 
Introduced, Invasive, and Noxious Plants

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.
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.
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*

OXCO
'ihi
Oxalis corniculata

WSWS

(I), L48 (N), HI (I), PR (N), VI (N), CAN (I)

ORRA
branched broomrape
Orobanche ramosa

STATE

L48 (I)

OXPA3
bristletips
Oxyspora paniculata

STATE, HEAR

HI (I)

OPFR
brittle cactus
Opuntia fragilis

NE&GP

L48 (N), CAN (N)

OPFR
brittle pricklypear
Opuntia fragilis

NE&GP

L48 (N), CAN (N)

OROBA
broomrape
Orobanche

US, STATE


ORRU
brownbeard rice
Oryza rufipogon

US, STATE

L48 (I)

OEBI
common evening primrose
Oenothera biennis

KY, NE&GP, SWSS

L48 (N), CAN (N)

OXST
common yellow oxalis
Oxalis stricta

KY, N'EAST, NE&GP, SWSS

L48 (N), CAN (I)

ORCO4
Cooper's broomrape
Orobanche cooperi

STATE

L48 (N)

ONAC
cotton thistle
Onopordum acanthium

STATE, NE&GP, SWSS, WSWS

L48 (I), CAN (W)

OXCO
creeping oxalis
Oxalis corniculata

WSWS

(I), L48 (N), HI (I), PR (N), VI (N), CAN (I)

OXCO
creeping woods
Oxalis corniculata

WSWS

(I), L48 (N), HI (I), PR (N), VI (N), CAN (I)

OELA
cut-leaved evening primrose
Oenothera laciniata

N'EAST, SWSS

(I), L48 (N), HI (I), CAN (I)

OTAL
duck lettuce
Ottelia alismoides

US, STATE

L48 (I)

OCEL
elliptic yellowwood
Ochrosia elliptica

FLEPPC

L48 (I)

ONAL5
foxtail restharrow
Ononis alopecuroides

STATE, Cal-IPC

L48 (I)

OPFR
fragile cactus
Opuntia fragilis

NE&GP

L48 (N), CAN (N)

OEMA2
ground orchid
Oeceoclades maculata

FLEPPC

L48 (I), PR (I), VI (I)

ORMI
hellroot
Orobanche minor

STATE

L48 (I)

ONAC
heraldic thistle
Onopordum acanthium

STATE, NE&GP, SWSS, WSWS

L48 (I), CAN (W)

OEBI
hoary eveningprimrose
Oenothera biennis

KY, NE&GP, SWSS

L48 (N), CAN (N)

OPAU10
jointed prickly pear
Opuntia aurantiaca

US, STATE


OPFR
jumping cactus
Opuntia fragilis

NE&GP

L48 (N), CAN (N)

OCEL
kopsia
Ochrosia elliptica

FLEPPC

L48 (I)

OXLA3
Lambert crazyweed
Oxytropis lambertii

NE&GP

L48 (N), CAN (N)

OXLA3
Lambert loco
Oxytropis lambertii

NE&GP

L48 (N), CAN (N)

OPFR
little pricklypear
Opuntia fragilis

NE&GP

L48 (N), CAN (N)

OXSE
locoweed
Oxytropis sericea

WSWS

L48 (N)

ORLO3
longstamen rice
Oryza longistaminata

US, STATE


OLEU
olive
Olea europaea

Cal-IPC, HEAR

L48 (I), HI (I)

OXCO
oxalis
Oxalis corniculata

WSWS

(I), L48 (N), HI (I), PR (N), VI (N), CAN (I)

OPPO
plains pricklypear
Opuntia polyacantha

NE&GP, WSWS

L48 (N), CAN (N)

OXLA3
purple locoweed
Oxytropis lambertii

NE&GP

L48 (N), CAN (N)

ORUM
Pyrenees star of Bethlehem
Ornithogalum umbellatum

STATE, KY, N'EAST, SEEPPC

L48 (I), CAN (I)

ORLO3
red rice
Oryza longistaminata

US, STATE


ORPU13
red rice
Oryza punctata

US, STATE


ORRU
red rice
Oryza rufipogon

US, STATE

L48 (I)

ORSA
rice
Oryza sativa

STATE, SWSS

L48 (I), PR (I), VI (I)

ONAC
Scotch cotton thistle
Onopordum acanthium

STATE, NE&GP, SWSS, WSWS

L48 (I), CAN (W)

ONAC
Scotch thistle
Onopordum acanthium

STATE, NE&GP, SWSS, WSWS

L48 (I), CAN (W)

OXST
sheep sorrel
Oxalis stricta

KY, N'EAST, NE&GP, SWSS

L48 (N), CAN (I)

OXSE
silky crazyweed
Oxytropis sericea

WSWS

L48 (N)

ORMI
small broomrape
Orobanche minor

STATE

L48 (I)

OXST
sourgrass
Oxalis stricta

KY, N'EAST, NE&GP, SWSS

L48 (N), CAN (I)

ORUM
star-of-Bethlehem
Ornithogalum umbellatum

STATE, KY, N'EAST, SEEPPC

L48 (I), CAN (I)

OXLA3
stemless loco
Oxytropis lambertii

NE&GP

L48 (N), CAN (N)

ONTA
taurus cotton thistle
Onopordum tauricum

STATE

L48 (I)

ONIL
thistle
Onopordum illyricum

US, STATE

L48 (I)

ONOPO
thistle
Onopordum

STATE


OXST
toad sorrel
Oxalis stricta

KY, N'EAST, NE&GP, SWSS

L48 (N), CAN (I)

OXSE
white locoweed
Oxytropis sericea

WSWS

L48 (N)

OXLA3
white woollyloco
Oxytropis lambertii

NE&GP

L48 (N), CAN (N)

OXLA3
whitepoint locoweed
Oxytropis lambertii

NE&GP

L48 (N), CAN (N)

ORRU
wild red rice
Oryza rufipogon

US, STATE

L48 (I)

OXCO
yellow oxalis
Oxalis corniculata

WSWS

(I), L48 (N), HI (I), PR (N), VI (N), CAN (I)

OXCO
yellow wood sorrel
Oxalis corniculata

WSWS

(I), L48 (N), HI (I), PR (N), VI (N), CAN (I)

OXST
yellow woodsorrel
Oxalis stricta

KY, N'EAST, NE&GP, SWSS

L48 (N), CAN (I)
 
   
*CodeNative Status
I Introduced
N Native
W Waif

*CodeNative Status Jurisdiction
None
L48 Lower 48 States
HI Hawaii
PR Puerto Rico
VI Virgin Islands
CAN Canada

 

Time Generated: 10/20/2014 05:59 AM MDT