Canada thistle
Cirsium arvense (L.) Scop.
Resources
- Biological Control of Invasive Plants in the Eastern United States - USDA Forest Service
- Weeds Gone Wild: Alien Plant Invaders of Natural Areas - Plant Conservation Alliance
- Element Stewardship Abstract - The Nature Conservancy
- Fire Effects Information System - USDA Forest Service
- Federal Noxious Weed Disseminules of the U.S. - USDA-APHIS
- Weed of the Week - USDA Forest Service
- Weed Field Guide - USDA Forest Service
- Plant Invaders of Mid-Atlantic Natural Areas - National Park Service and U.S. Fish and Wildlife Service
Representative Images(View more at Forestry Images)
 |
 1265114 Canada thistle Cirsium arvense Plant(s) Peggy Greb |
 1358358 Canada thistle Cirsium arvense Plant(s) Mary Ellen (Mel) Harte |
 1358361 Canada thistle Cirsium arvense Foliage Mary Ellen (Mel) Harte |
 1459760 Canada thistle Cirsium arvense Plant(s) Steve Dewey |
 1553270 Canada thistle Cirsium arvense Seedling(s) Ohio State Weed Lab |
 1560044 Canada thistle Cirsium arvense Seedling(s) Ohio State Weed Lab |
 5090085 Canada thistle Cirsium arvense Flower(s) Mary Ellen (Mel) Harte |
 1459755 Canada thistle Cirsium arvense Foliage Steve Dewey |
Invasive Listing Sources
- Alabama Invasive Plant Council
- Alaska Noxious Weeds
- Alberta Weed Control Act
- Arizona Noxious Weeds
- California Invasive Plant Council
- California Noxious Weeds
- City of Ann Arbor Michigan Parks and Recreation
- Colorado Noxious Weeds
- Commonwealth of Pennsylvania, Department of Conservation and Natural Resources, 1994.
- Connecticut Invasive Plant List
- Connecticut Invasive Plant Working Group
- Connecticut Noxious Weeds
- Delaware Noxious Weeds
- Delaware Regulations for Noxious Weed Control
- Hoffman, R. & K. Kearns, Eds. 1997. Wisconsin manual of control recommendations for ecologically invasive plants. Wisconsin Dept. Natural Resources, Bureau of Endangered Resources. Madison, Wisconsin. 102pp.
- Idaho Noxious Weeds
- Illinois Noxious Weeds
- Indiana Invasive Species Council - Invasive Plant List
- Indiana Noxious Weeds
- Invasive Plant Association of Wisconsin
- Invasive Plant Species of West Virginia
- Iowa Noxious Weeds
- Jil M. Swearingen, Survey of invasive plants occurring on National Park Service lands, 2000-2007
- John Randall, The Nature Conservancy, Survey of TNC Preserves, 1995.
- Kansas Noxious Weeds
- Kentucky Exotic Pest Plant Council - Severe Threat
- Kentucky Noxious Weeds
- Maryland Code and Regulations Noxious Weed & Seed Law
- Maryland Cooperative Extension Service. 2003. Invasive Plant Control in Maryland. Home and Garden Information Center, Home and Garden Mimeo HG88. 4 pp.
- Maryland Department of Natural Resources Policy: Restriction on Planting Exotic Invasive Plants
- Maryland Invasive Species Council - Invasive Species of Concern in Maryland
- Maryland Noxious Weeds
- Michigan Noxious Weeds
- Minnesota Noxious Weeds
- Missouri Noxious Weeds
- Montana Noxious Weeds
- National Park Service, Mid-Atlantic Exotic Plant Management Team Invasive Plant List
- Native Plant Society of Oregon, 2008
- Nebraska Noxious Weeds
- Nevada Noxious Weeds
- New Jersey Invasive Species Strike Team 2017 Invasive Species List
- New Mexico Noxious Weeds
- New York Regulated and Prohibited Invasive Species - Prohibited
- Non-Native Invasive Plants of Arlington County, Virginia
- Non-Native Invasive Plants of the City of Alexandria, Virginia
- Nonnative Invasive Species in Southern Forest and Grassland Ecosystems
- North Carolina Noxious Weeds
- North Dakota Noxious Weeds
- Ohio Invasive Species Council
- Ohio Noxious Weeds
- Oklahoma Noxious Weeds
- Ontario’s Invading Species Awareness Program Tracked Species List
- Oregon Noxious Weeds
- Pacific Northwest Exotic Pest Plant Council, 1998
- Pennsylvania Department of Conservation and Natural Resources Invasive Plants
- Pennsylvania Noxious Weeds
- Pennsylvania Regulations for Controlled Plants and Noxious Weeds
- Plant Invaders of Mid-Atlantic Natural Areas
- Rhode Island Natural History Survey
- South Carolina Exotic Pest Plant Council
- South Dakota Noxious Weeds
- Utah Noxious Weeds - Contain
- Virginia Invasive Plant Species List
- Virginia Invasive Species Management Plan 2012
- Washington Noxious Weeds
- WeedUS - Database of Plants Invading Natural Areas in the United States
- West Virginia Invasive Species Strategic Plan and Volunteer Guidelines 2014
- West Virginia Native Plant Society, Flora West Virginia Project, and West Virginia Curatorial Database System, September 3, 1999
- Wisconsin Noxious Weeds
- Wisconsin's Invasive species rule – NR 40
- Wyoming Noxious Weeds
Taxonomic Rank
| Kingdom: Plantae |
| Phylum: Magnoliophyta |
| Class: Magnoliopsida |
| Subclass: Asteridae |
| Order: Asterales |
| Family: Asteraceae |
| Subfamily: Carduoideae |
| Genus: Cirsium |
Other System Links
Plants: CIAR4Bayer: CIRAR
GRIN: 100755
ITIS: 36335
NPDN Pest: PBFAWBB
NPDN Host: 31702
Synonyms and Other Names
Other Common Names:
Californian thistle, creeping thistle, field thistle
| Related Scientific Names: | |
| Breea arvensis (L.) Scop. | (Synonym) |
| Related Scientific Names: | |
| Breea incana (L.) Scop. | (Synonym) |
| Related Scientific Names: | |
| Carduus arvensis (L.) Scop. | (Synonym) |
| Related Scientific Names: | |
| Cirsium incanum (L.) Scop. | (Synonym) |
| Related Scientific Names: | |
| Cirsium setosum (L.) Scop. | (Synonym) |
| Related Scientific Names: | |
| Serratula arvensis (L.) Scop. | (Synonym) |
| Common Name Reference: | USDA, NRCS. 2010. The PLANTS Database. National Plant Data Center, Baton Rouge, LA, USA. |
| Scientific Name Reference: | USDA, NRCS. 2010. The PLANTS Database. National Plant Data Center, Baton Rouge, LA, USA. |
