⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50173232, 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 50173232) with original publication details: Nova Hedwigia 7: 504-505 504 1964.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:17434770-1.