Cystopteris fragilis subsp. eu-fragilis Asch. & Graebn.
, Synopsis der Mitteleuropaischen Flora 1 (1879).
External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:137756-3
- Publication
- Synopsis der Mitteleuropaischen Flora 1
- Date of Publication
- 27 Aug 1879
- Family as entered in IPNI
- Woodsiaceae