External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:1151806-2
- Species Name
- Cystopteris filix-fragilis Farw., Rep. (Annual) Michigan Acad. Sci. 6: 200 (1904).
- Family as entered in IPNI
- Woodsiaceae
Links
- Nomenclatural link
- Cystopteris fragilis var. mackayi G.Lawson, Fern Fl. Canada 233 (1889).