Sulcorebutia riograndensis (F.Ritter) F.H.Brandt
, Frankfurter Kakteenf. 3: 9 (1976).
External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:247876-2
- Publication
- Frankfurter Kakteenfreund
- Collation
- 3: 9
- Family as entered in IPNI
- Cactaceae