Acmispon Rafinesque. American Bird’s-foot-trefoil, Prairie-trefoil.
A genus of about 8 species, annual and perennial herbs, of temperate North America and South America. New World taxa often referred to Lotus are not closely related to it, and should be segregated (Degtjareva et al 2006; Allan & Porter 2000).
Ref: Allan & Porter (2000); Degtjareva et al. (2006); Grant & Small (1996); Isely (1981); Isely (1998); Sokoloff (2000). Show full citations.