Botrychium ternatum var. occidentale Gilbert
, Working List N. Amer. Pterid. 12 (1901).
External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:35368-2
- Publication
- Working List of North American Pteridophytes, (north of Mexico), together with Descriptions of a Number of Varieties not heretofore Published. Utica, NY
- Collation
- 12
- Family as entered in IPNI
- Ophioglossaceae