Melocactus intortus var. antonii (Britton) Backeb.
, Cactaceae (Backeberg) 4: 2575 (1960).
External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:156829-2
- Species Name
- Melocactus intortus (Mill.) Urb., Repert. Spec. Nov. Regni Veg. 16(1/4): 35 (1919).
- Publication
- Die Cactaceae: Handbuch der Kakteenkunde
- Collation
- 4: 2575
- Family as entered in IPNI
- Cactaceae