Resources
- Weed Field Guide - USDA Forest Service
- Federal Noxious Weed Disseminules of the U.S. - USDA-APHIS
- Element Stewardship Abstract - The Nature Conservancy
- Know Your Knapweeds - North Dakota State University
Representative Images
0022037 Russian knapweed Rhaponticum repens Plant(s) Norman E. Rees |
0022038 Russian knapweed Rhaponticum repens Plant(s) Norman E. Rees |
0022039 Russian knapweed Rhaponticum repens Infestation Norman E. Rees |
1459258 Russian knapweed Rhaponticum repens Plant(s) Steve Dewey |
1459259 Russian knapweed Rhaponticum repens Seedling(s) Steve Dewey |
1459261 Russian knapweed Rhaponticum repens Flower(s) Steve Dewey |
1459264 Russian knapweed Rhaponticum repens Feature(s) Steve Dewey |
1459265 Russian knapweed Rhaponticum repens Flower(s) Steve Dewey |
5306049 Russian knapweed Rhaponticum repens Fruit(s) Steve Hurst |
Maps
EDDMapS Distribution - This map is incomplete and is based only on current site and county level reports made by experts, herbaria, and literature. For more information, visit www.eddmaps.org
Alternative content
State Regulated List - This map identifies those states that list this species on their regulated list. For more information, visit Invasive.org
Alternative content
Invasive Listing Sources
- Alaska Noxious Weeds
- Arizona Noxious Weeds
- California Invasive Plant Council
- California Noxious Weeds
- Colorado Noxious Weeds
- Faith Campbell, 1998
- 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.
- 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
- Michigan Noxious Weeds
- Minnesota Noxious Weeds
- Montana Noxious Weeds
- Nevada Noxious Weeds
- New Mexico Noxious Weeds
- Nonnative Invasive Species in Southern Forest and Grassland Ecosystems
- North Dakota Noxious Weeds
- Oregon Noxious Weeds
- Pacific Northwest Exotic Pest Plant Council, 1998
- South Carolina Noxious Weeds
- South Dakota Noxious Weeds
- Utah Noxious Weeds
- Washington Noxious Weeds
- WeedUS - Database of Plants Invading Natural Areas in the United States
- Wyoming Noxious Weeds
Taxonomic Rank
| Kingdom: Plantae |
| Phylum: Magnoliophyta |
| Class: Magnoliopsida |
| Subclass: Asteridae |
| Order: Asterales |
| Family: Asteraceae |
| Genus: Rhaponticum |
Synonyms and Other Names
Other Common Names:
hardheads
Related Scientific Names:
| Acroptilon repens (L.) DC. | (Synonym) |
| Centaurea picris (L.) DC. | (Synonym) |
| Centaurea repens (L.) DC. | (Synonym) |
Invasive.org is a joint project of the Center for Invasive Species and Ecosystem Health and USDA APHIS PPQ, with additional support from USDA National Institute of Food and Agriculture and USDA Forest Service. The University of Georgia - Warnell School of Forestry and Natural Resources and College of Agricultural and Environmental Sciences |
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Last updated on Tuesday, May 04, 2010 at 02:41 PM