environment associated with Bison, or if the rhizobial associate is extinct due to either the decline of the clover or from competition with rhizobia that was introduced with exotic clovers. References U.S. Fish and Wildlife Service Division of Endangered Species Endangered Species Guidesheet - Running Buffalo Clover External links USDA Plants Profile for Trifolium stoloniferum (running buffalo clover) National Collection of Imperiled Plants profile of Trifolium stoloniferum stoloniferum Endemic flora of the United States Flora of Arkansas Flora of Illinois Flora of Indiana Flora of Kentucky Flora of Ohio Flora of Missouri Flora of West Virginia Taxa named by Gotthilf Heinrich Ernst Muhlenberg