Southeast Exotic Pest Plant Council Invasive Plant Manual - Musk Thistle
Southeast Exotic Pest Plant Council.
Fact Sheet: Nodding Thistle (Jan 2014; PDF | 700 KB)
Alberta Invasive Plants Council (Canada).
Alaska Exotic Plants Information Clearinghouse (AKEPIC): Species Biography - Musk Thistle and Related Thistle Species (Feb 7, 2011; PDF | 170 KB)
University of Alaska - Anchorage. Alaska Center for Conservation Science.
See also: Non-Native Plant Species List for additional factsheets (species biographies) and species risk assessment reports of non-native species present in Alaska and also non-native species currently not recorded in Alaska (potential invasives).
Invasive Plant Atlas of the United States - Musk
University of Georgia. Center for Invasive
Species and Ecosystem Health.
Texas Invasives Database - Carduus nutans
Invasive Species Compendium - Carduus nutans
Global Invasive Species Database - Carduus nutans (herb)
IUCN. Species Survival Commission. Invasive Species Specialist Group.
Germplasm Resources Information Network (GRIN) - Carduus nutans
USDA. ARS. National Genetic Resources Program.
Fire Effects Information System (FEIS) - Carduus
FS. Rocky Mountain Research Station. Fire Sciences
Plant Profile for Carduus nutans - PLANTS Database - Nodding Plumeless Thistle
USDA. NRCS. National Plant Data Center.
Weeds in Australia - Nodding Thistle (Carduus nutans)
Australian Government. Department of the Environment.
Profile: Nodding thistle
New South Wales Department of Primary Industries
Tasmania Department of Primary Industries and Water (Australia). Weeds, Pests, and Diseases.
Encycloweedia: Data Sheet - Carduus genus
California Department of Food and Agriculture.
Included on California's noxious weed list; see Encycloweedia: Program Details for additional resources.
Noxious Weed Species - Musk Thistle
Colorado Department of Agriculture. Conservation Services Division. Noxious Weed Program.
Musk Thistle - Noxious Weed Identification List
State of Colorado. Jefferson County. Weed and Pest Management Program.
Missouri Department of Conservation.
Invasive Plants in Pennsylvania: Musk Thistle (PDF | 254 KB)
Pennsylvania Department of Conservation and Natural Resources.
B Noxious Weed: Musk Thistle
Washington State Noxious Weed Control Board.
or Nodding Thistle (Carduus nutans)
Wisconsin Department of Natural Resources.
Musk Thistle (PDF | 567 KB)
University of Arkansas. Agriculture and Natural Resources.
Colorado State University. Cooperative Extension.
Noxious Weed Information - Musk Thistle (B List)
Colorado Weed Management Association.
Invasive Plant Atlas of the MidSouth - Musk Thistle
Mississippi State University. GeoResources
Musk Thistle - Noxious Weeds of Nebraska (PDF | 411 KB)
University of Nebraska - Lincoln. Cooperative Extension.
BioBullies - Musk Thistle
Natural Biodiversity (Western Pennsylvania).
Plant Conservation Alliance. Alien Plant Working Group.