PLANTS Profile for Xanthium strumarium var. canadense (Canada cockleburr)

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PLANTS Profile

Xanthium strumarium L. var. canadense (P. Mill.) Torr. & Gray
Canada cockleburr


Symbol:		XASTC
Group:		Dicot
Family:		Asteraceae
Growth Habit:		Forb/herb
Duration:		Annual
U.S. Nativity:		Native

Click on the image below to enlarge it and download a high-resolution TIFF file.

Line Drawing of Xanthium strumarium L. var. canadense (P. Mill.) Torr. & Gray

Xanthium commune

Britton, N.L., and A. Brown. 1913. Illustrated flora of the northern states and Canada. Vol. 3: 346. Courtesy of Kentucky Native Plant Society. Scanned by Omnitek Inc. Usage Guidelines.

More Information:

Plant Images:
Xanthium strumarium L. var. canadense (P. Mill.) Torr. & Gray

Click on a thumbnail to view an image, or see all the Xanthium thumbnails at the PLANTS Gallery

Plant Synonyms:
Xanthium strumarium L. var. canadense (P. Mill.) Torr. & Gray

	XAAC	Xanthium acerosum Greene
	XACA2	Xanthium californicum Greene
	XACAR	Xanthium californicum Greene var. rotundifolium Widder
	XACA3	Xanthium campestre Greene
	XACA4	Xanthium canadense P. Mill.
	XACA6	Xanthium cavanillesii Schouw
	XACE2	Xanthium cenchroides Millsp. & Sherff
	XACO	Xanthium commune Britt.
	XAEC	Xanthium echinatum Murr.
	XAGL2	Xanthium glanduliferum Greene
	XAIT	Xanthium italicum Moretti
	XAMA	Xanthium macounii Britt.
	XAOL	Xanthium oligacanthum Piper
	XAOV	Xanthium oviforme Wallr.
	XAPE2	Xanthium pensylvanicum Wallr.
	XASA3	Xanthium saccharatum Wallr.
	XASP3	Xanthium speciosum Kearney
	XASTI	Xanthium strumarium L. ssp. italicum (Moretti) D. Löve
	XASTO	Xanthium strumarium L. var. oviforme (Wallr.) M.E. Peck
	XASTP	Xanthium strumarium L. var. pensylvanicum (Wallr.) M.E. Peck
	XAVA	Xanthium varians Greene

Plant Distribution by State:
Xanthium strumarium L. var. canadense (P. Mill.) Torr. & Gray

State Distributional Map for Xanthium strumarium L. var. canadense (P. Mill.) Torr. & Gray

	See county distributions for the following states by clicking on them below or on the map.
	AZ CA CO DC FL HI ID IL IN KY ME MO MT ND NH NM NV	NY OH OR PA SD UT WA WV WY

Xanthium strumarium L. var. canadense (P. Mill.) Torr. & Gray occures in the following states: Alabama, Arkansas, Arizona, California, Colorado, Connecticut, District of Columbia, Delaware, Florida, Georgia, Hawaii, Iowa, Idaho, Illinois, Indiana, Kansas, Kentucky, Louisiana, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, Mississippi, Montana, North Carolina, North Dakota, Nebraska, New Hampshire, New Jersey, New Mexico, Nevada, New York, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia, Vermont, Washington, Wisconsin, West Virginia, Wyoming

Related Taxa:
Xanthium strumarium L. var. canadense (P. Mill.) Torr. & Gray

View 476 genera in Asteraceae, 3 species in Xanthium, 3 varieties in Xanthium strumarium L.

Classification:
Xanthium strumarium L. var. canadense (P. Mill.) Torr. & Gray

Click on a scientific name below to expand it in the PLANTS Classification Report.


Kingdom	Plantae – Plants
Subkingdom	Tracheobionta – Vascular plants
Superdivision	Spermatophyta – Seed plants
Division	Magnoliophyta – Flowering plants
Class	Magnoliopsida – Dicotyledons
Subclass	Asteridae –
Order	Asterales –
Family	Asteraceae – Aster family
Genus	Xanthium L. – cocklebur
Species	Xanthium strumarium L. – rough cockleburr
Variety	Xanthium strumarium L. var. canadense (P. Mill.) Torr. & Gray – Canada cockleburr

Noxious Weed Information:
Xanthium strumarium L. var. canadense (P. Mill.) Torr. & Gray

The related entities and synonyms italicized and indented below are listed by the U.S. federal government or a state. Common names are from state and federal lists. Click on a place name to get a complete noxious weed list for that location.

Arkansas:
Xanthium L.
cocklebur		Noxious weed
Iowa:
Xanthium commune Britt.
cocklebur		Secondary noxious weed

Invasive Information:
Xanthium strumarium L. var. canadense (P. Mill.) Torr. & Gray

Xanthium L.
cocklebur
Xanthium commune Britt.
cocklebur
Xanthium strumarium L.
cocklebur
common cocklebur
rough cocklebur

The related entities and synonyms italicized and indented above are considered invasive by the authoritative sources noted below. This plant may be known by one or more common names in different places, and some are listed above. Click on an acronym to view each invasive plant list, or click here for a composite list of Invasive Plants of the U.S.

STATE		Assorted authors. 200_. State Noxious Weed Lists for 45 States. State agriculture or natural resource departments.
KY		Haragan, P.D. 1991. Weeds of Kentucky and Adjacent States: A Field Guide. The University Press of Kentucky. Lexington, Kentucky. 278pp.
N'EAST		Uva, R.H., J.C. Neal, & J.M. DiTomaso. 1997. Weeds of the Northeast. Cornell University Press. Ithaca, New York. 397pp.
NE&GP;		Stubbendieck, J., G.Y. Friisoe, & M.R. Bolick. 1994. Weeds of Nebraska and the Great Plains. Nebraska Department of Agriculture, Bureau of Plant Industry. Lincoln, Nebraska. 589pp.
SEEPPC		Southeast Exotic Pest Plant Council. 1996. Invasive Exotic Pest Plants in Tennessee(http://www.se-eppc.org/states/TN/TNIList.html, October 19, 1999). Research Committee of the Tennessee Exotic Pest Plant Council. Tennessee.
SWSS		Southern Weed Science Society. 1998. Weeds of the United States and Canada. CD-ROM. Southern Weed Science Society. Champaign, Illinois.
WSWS		Whitson, T.D. (Ed.) et al. 1996. Weeds of the West. Western Society of Weed Science in cooperation with Cooperative Extension Services, University of Wyoming. Laramie, Wyoming. 630pp.

Wetland Indicator Status:
Xanthium strumarium L. var. canadense (P. Mill.) Torr. & Gray

XAST : Xanthium strumarium

Nat. Ind.

Reg. 1

Reg. 2

Reg. 3

Reg. 4

Reg. 5

Reg. 6

Reg. 7

Reg. 8

Reg. 9

Reg. 0

Reg. A

Reg. C

Reg. H

UPL,FAC+

FAC

FAC-

FAC

FAC+

UPL

FACU

Other Species Accounts and Images:
Xanthium strumarium L. var. canadense (P. Mill.) Torr. & Gray

View species account and distribution from USF Atlas of Florida Vascular Plants.

View species account from ARS Germplasm Resources Information Network (GRIN).

View taxonomic account from Integrated Taxonomic Information System (ITIS) for ITIS Taxonomic Serial Number 530872.

View species account from Wisconsin State Herbarium (UW-Madison).

Related Web Sites:
Xanthium strumarium L. var. canadense (P. Mill.) Torr. & Gray

Manitoba Agriculture - Weeds in Crop Production: abstract & images

The Nature Conservancy: Wildland Weeds Management & Research Program

Virginia: abstract & image

WeedScience.com: diagnostic images