Opuntia tortispina var. cymochila (Engelm.) Backeb.
, Cactaceae (Backeberg) 1: 483 (1958).
External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:175618-2
- Publication
- Die Cactaceae: Handbuch der Kakteenkunde
- Collation
- 1: 483
- Family as entered in IPNI
- Cactaceae