University of Georgia. Center for Invasive Species and Ecosystem Health.Provides state, county, point and GIS data. Maps can be downloaded and shared.
The section below contains highly relevant resources for this species, organized by source. Or, to display all related content view all resources for Quackgrass.
USDA. APHIS. PPQ. Center for Plant Health Science and Technology; California Department of Food and Agriculture.
State and Local Government
Thurston County Public Health and Social Services (Washington). Environmental Health.
Maine Department of Agriculture, Conservation and Forestry.
- GRIN-Global. Elymus repens subsp. repens. USDA. ARS. National Genetic Resources Program. U.S. National Plant Germplasm System. [Accessed Jul 26, 2017].
- Integrated Taxonomic Information System. Elymus repens. [Accessed Sep 10, 2014].
- Klein, H. 2011. Quackgrass (PDF | 141 KB). University of Alaska Anchorage, Alaska Exotic Plants Information Clearinghouse.
- Werner, P.A., and R. Rioux. 1977. The biology of Canadian weeds. 24. Agropyron repens (L.) Beauv. Canadian Journal of Plant Science 57(3):905-919.