Pradopteris, a New Genus of Neotropical Ferns (Dryopteridaceae)
Pradopteris, a new genus of dryopteroid fern, is described based on evidence from phylogeny and morphology. The genus is entirely Neotropical and closely related to Cyclodium, Olfersia, and Polybotrya. It contains three species: P. obtusa sp. nov., P. ochropteroides, and P. macrostegia. A key is provided to distinguish the genus from closely related ones, and its three species are treated taxonomically, each being given full synonymy, typification, descriptions, habitats, elevations, discussions, specimens examined, distribution maps, and illustrations. Lectotypes are designated for Nephrodium macrostegium and N. popayense.