Typifications of five Linnaean fern names based on Osbeck's specimens

Abstract

The nomenclatural history of five Linnaean fern names based on Osbeck's collections from China is discussed. The type status of Osbeck's specimens is discussed and types are selected for the names Blechnum orientale (Blechnaceae), Adiantum flabellulatum (Pteridaceae), Polypodium barometz (Cibotium barometz, Dicksoniaceae), Polypodium varium (Dryopteris varia, Dryopteridaceae) and Trichomanes chinense (Odontosoria chinensis, Lindsaeaceae).