Echinopsis spegazzinii K.Schum. ex Speg.
, Anales Mus. Nac. Buenos Aires xi. 488.
External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:132814-1
- Publication
- Anales del Museo Nacional de Buenos Aires. Buenos Aires
- Collation
- xi. 488
- Family as entered in IPNI
- Cactaceae