Federal Noxious Weed Disseminules of the U.S. - Fact Sheet: Elytrigia repens
USDA. APHIS. PPQ. Center for Plant Health Science and Technology; California Department of Food and Agriculture.
Alaska Exotic Plants Information Clearinghouse (AKEPIC): Species Biography - Quackgrass (Feb 7, 2011; PDF | 141 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 - Quackgrass
University of Georgia. Center for Invasive
Species and Ecosystem Health.
Invasive Species Compendium - Elymus repens
Germplasm Resources Information Network (GRIN) - Elymus repens
USDA. ARS. National Genetic Resources Program.
Fire Effects Information System (FEIS) - Elymus repens
USDA. FS. Rocky Mountain Station. Fire Sciences Laboratory.
PLANTS Database - Quackgrass
USDA. NRCS. National Plant Data Center.
Invasive Plant Species in Alaska - Quackgrass (PDF | 1.39 MB)
DOI. NPS. Alaska Exotic Plant Management Team.
Ontario Ministry of Agriculture, Food, and Rural Affairs (Canada).
Encycloweedia: Data Sheet - Quackgrass
California Department of Food and Agriculture.
Included on California's noxious weed list; see Encycloweedia: Program Details for additional resources.
Noxious Weed Species - Quackgrass
Colorado Department of Agriculture. Conservation Services Division. Noxious Weed Program.
Quackgrass (Elytrigia repens) Control Methods in Organic Agriculture (PDF | 1.28 MB)
Maine Department of Agriculture, Conservation and Forestry.
Quackgrass - Integrated Pest Management Prescription (PDF | 290 KB)
Thurston County (Washington). Noxious Weed Program.
Quackgrass Management on Organic Farms (PDF | 347 KB)
University of Maine. Sustainable Agriculture Program.
Ohio Perennial & Biennial Weed Guide - Quackgrass
Ohio State University. Ohio Agricultural Research and Development Center.
Quackgrass Management: An Integrated Approach - Agronomy Facts 5
Pennsylvania State University. Crop and Soil Science.
Texas State University System. Institute for the Study of Invasive Species.
Noxious Weed Information - Quackgrass (C List)
Colorado Weed Management Association.
Species Fact Sheet: Quackgrass (2009; PDF | 345 KB)
Learning Center of the American Southwest.