Gymnocalycium fidaianum (Backeb.) Hutchison
, Cact. Succ. J. (Los Angeles) 29: 11 (1957).
External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:115386-2
- Publication
- Cactus and Succulent Journal. [Cactus and Succulent Society of America]
- Collation
- 29: 11
- Family as entered in IPNI
- Cactaceae