Echinocactus subgen. Homalocephala
, Cact. Succ. J. (Los Angeles) 64: 169 (1992).- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:1003423-2
- Publication
- Cactus and Succulent Journal. [Cactus and Succulent Society of America]
- Collation
- 64: 169
- Family as entered in IPNI
- Cactaceae
Links
- Nomenclatural link
- Homalocephala Britton & Rose, Cactaceae (Britton & Rose) 3: 181 (1922).