Mediolobivia schmiedcheniana var. karreri Backeb.
, Descr. Cact. Nov. 30 (1956).
External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:155818-2
- Publication
- Descriptiones Cactacearum Novarum
- Collation
- 30
- Family as entered in IPNI
- Cactaceae