Définitions
1.NounA coarse American composite weed, Smallanthus uvedalia.
2.NounA perennial herb, Polymnia canadensis
3.NounA rare perennial or annual herb found only in Tennessee and Georgia, Polymnia laevigata
4.NounA rare herb, Polymnia johnbeckii found only in patches along the Tennessee River.
5.NounAn annual wildflower found only in Arkansas, Polymnia cossatotensis.