|TITLE (opens new window) ||DESCRIPTION
|WIS DNR-Bureau of Endangered Resources
||Detailed information on Wisconsin invasive species including decription, habitats, control methods
|Invasive And Exotic Species of North America
||Descriptions, management issues, warnings, photos, etc.
|USDA Plants Database
||Federal Distribution and detailed information including photos
|Grasses of Iowa
||Detailed photographs, descriptions, maps
|Canada Agriculture and Agri-Food
|"The identification of certain native and naturalized grasses by their vegetative characters"
S.E. Clarke, J.A. Campbell and W. Shevkenek. 1950.
(Publication no. 762 ; Technical bulletin no. 50). Drawings, descriptions.
|USDA Agricultural Research Service (ARS)
||Images of seeds, fruits, embryos, etc.