Echinopsis arachnacantha var. densiseta (Rausch) H.Friedrich
, Kakteen And. Sukk. 25: 82 (1974).
External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:1005873-2
- Publication
- Kakteen und Andere Sukkulenten. Berlin
- Collation
- 25: 82
- Family as entered in IPNI
- Cactaceae