Thelocactus bicolor var. schwarzii (Backeb.) E.F.Anderson
, Bradleya 5: 61 (1987): (1987).- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:953501-1
- Species Name
- Thelocactus bicolor Britton & Rose, Bull. Torrey Bot. Club 49: 251 (1922).
- Publication
- Bradleya; Yearbook of the British Cactus and Succulent Society. Botley
- Collation
- 5: 61 (1987):
- Date of Publication
- 1987
- Family as entered in IPNI
- Cactaceae