⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-26612051, with some changes.

Crypsinus yakuinsularis (Masam.) Tagawa is a synonym of Polypodium yakuinsulare Masam.

This name is a synonym of Polypodium yakuinsulare Masam..

The record derives from Tropicos which reports it as a synonym (record 26612051) with original publication details: Acta Phytotax. Geobot. 14(6): 194 194 1952.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:17377790-1.