Frailea castanea subvar. spinosior (F.Ritter) Prestlé
, Gattung Frailea 214 (1997): (1997).
External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:1005285-1
- Species Name
- Frailea castanea Backeb., Kaktus-ABC [Backeb. & Knuth] 248, 415 (1936).
- Publication
- Die Gattung Frailea (Br. & R.) Prestle
- Collation
- 214 (1997):
- Date of Publication
- 1997
- Family as entered in IPNI
- Cactaceae