Piptanthocereus dayami (Speg.) F.Ritter
, Kakteen Südamerika 2: 554 (1980).
External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:199703-2
- Publication
- Kakteen in Sudamerika: Ergebnisse Meiner 20-jährigen Feldforschung
- Collation
- 2: 554
- Family as entered in IPNI
- Cactaceae
Nomenclatural Notes
(as dayamii)