External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:129732-1
- Publication
- Mem. Comision Limites
- Collation
- 3 (1832); I. M. Johnston in Contrib. Gray Herb. n. s.lxx. 89 (1924).
- Family as entered in IPNI
- Cactaceae
Original Data
- Remarks
- Mexico