On the Identity of the Poorly Known Japanese Liverworts Chiloscyphus mororanus Steph. and C. submersus Warnst. (Jungermanniopsida, Marchantiophyta)

Abstract

The type specimens of Chiloscyphus mororanus Steph. and C. submersus Warnst., were examined and both species are synonymized under C. polyanthos (L.) Corda. Illustrations and brief descriptions as well as taxonomic discussions for each species are provided.