Arequipa aurantiaca (Vaupel) Werderm.
, Kakteenkunde 5: 77 (1939).
External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:18757-2
- Publication
- Kakteenkunde. Organ der Deutschen Kakteen-Gesellschaft E.V., Sitz Berlin
- Collation
- 5: 77
- Family as entered in IPNI
- Cactaceae