Discocactus heptacanthus var. semicampaniflorus (Buining & Brederoo) P.J.Braun & Esteves
, Kakteen And. Sukk. 44(5): 103 (1993): (1993).
External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:971318-1
- Species Name
- Discocactus heptacanthus Britton & Rose, Cactaceae (Britton & Rose) 3: 218 (1922).
- Publication
- Kakteen und Andere Sukkulenten. Berlin
- Collation
- 44(5): 103 (1993):
- Date of Publication
- 1993
- Family as entered in IPNI
- Cactaceae