FernGreenList ver. 2.0: An Updated Checklist of Wild Fern and Lycophyte Species in Japan

Abstract

An updated version of check list of wild ferns and lycophytes in Japan is released. The total number of taxa is 1,117 (736 species including subspecies and varieties, plus four forms and 377 interspecific hybrids). This is an increase of 21 taxa from the previous version released in 2017. A brief review of newly added or excluded taxa is provided, and a new combination, Lepisorus microphyllus (C.Presl) Ebihara & T.Fujiw. is proposed.