⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50070809, with some changes.
This name is a synonym of Cystopteris fragilis (L.) Bernh..
The record derives from Tropicos which reports it as a synonym (record 50070809) with original publication details: Syn. Fl. Germ. Helv. (ed. 2) 2-3: 980 980 1845.