Polymnia is a genus of American plants in the sunflower family. It is the only genus in the tribe Polymnieae. Several species are known by the common name leafcup Species 1. \n* Polymnia aspera (Mart.) Mart. ex DC. - Mexico 2. \n* Polymnia canadensis L. - Ontario, much of eastern + central United States 3. \n* Polymnia cocuyensis Cuatrec. - Boyacá in Colombia 4. \n* Polymnia cossatotensis Pittman & V.M.Bates - Arkansas 5. \n* Polymnia johnbeckii D.Estes - Tennessee 6. \n* Polymnia laevigata Beadle - MO KY TN AL GA FL 7. \n* Polymnia quichensis J.M.Coult. - Costa Rica, Guatemala 8. \n* Polymnia sonchifolia Poepp. - Boliviaformerly included