Peniocereus greggii var. transmontanus (Engelm.) Backeb.
, Cactaceae (Backeberg) 4: 1945 (1960).
External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:187047-2
- Publication
- Die Cactaceae: Handbuch der Kakteenkunde
- Collation
- 4: 1945
- Family as entered in IPNI
- Cactaceae