TY - JOUR T1 - Athyrium bipinnatum K.Hori (Athyriaceae), a new cornopteroid fern from Japan JF - PhytoKeys JO - PK M3 - 10.3897/phytokeys.148.51589 VL - 148 AU - Hori, Kiyotaka Y1 - 26/05/2020 UR - https://doi.org/10.3897/phytokeys.148.51589 N2 - I describe Athyrium bipinnatum sp. nov. and discuss morphological differences between closely related species. The new species is endemic to Japan, occurring on the islands of Honshu, Kyushu, and Shikoku. Based on the criteria of the International union for conservation of nature and natural resources, this new species is here considered endangered. PB - Pensoft Publishers SP - 93-104 SN - 1314-2011 SN - 1314-2003 IS - ER -