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.
TISI Inventory - Quackgrass
Texas State University System. Texas Invasive Species Institute.
Invasive Species Compendium - Elymus repens
U.S. National Plant Germplasm System - Elymus repens
USDA. ARS. National Genetic Resources Program. GRIN-Global.
Fire Effects Information System (FEIS) - Elymus repens
USDA. FS. Rocky Mountain Station. Fire Sciences Laboratory.
PLANTS Database - Quackgrass
USDA. NRCS. National Plant Data Center.
National Exotic Marine and Estuarine Species Information System (NEMESIS): Chesapeake Bay Introduced Species Database - Elymus repens
Smithsonian Institution. Smithsonian Environmental Research Center. Marine Invasions Research Lab.
Ontario Ministry of Agriculture, Food, and Rural Affairs (Canada).
Encycloweedia: Data Sheet - Quackgrass
California Department of Food and Agriculture.
See also: 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.
See also: Weeds - Quackgrass for more species resources
Integrated Pest Management Prescription: Quackgrass (Nov 2009; PDF | 290 KB)
Thurston County Public Health and Social Services (Washington). Environmental Health.
See also: IPM for Homeowners & Land Managers for more species
Quackgrass Management on Organic Farms (PDF | 347 KB)
University of Maine. Sustainable Agriculture Program.
See also: For Farmers for more resources
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. Cooperative Extension..