Polymnia

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.
; SpeciesPolymnia aspera Mart. ex DC. - MexicoPolymnia canadensis L. - Ontario, much of eastern + central United StatesPolymnia cocuyensis Cuatrec. - Boyacá in ColombiaPolymnia cossatotensis Pittman & V.M.Bates - ArkansasPolymnia johnbeckii D.Estes - TennesseePolymnia laevigata Beadle - MO KY TN AL GA FLPolymnia quichensis J.M.Coult. - Costa Rica, GuatemalaPolymnia sonchifolia Poepp. - Bolivia
; Formerly included
Numerous species now in other genera: ''Axiniphyllum Berlandiera Didelta Guizotia Melampodium Montanoa Rumfordia Smallanthus Sphagneticola Unxia''