Echinopsis densispina f. sanguinea (Wessner) Buining
, Sukkulentenkunde 7/8: 95 (1963).
External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:88380-2
- Publication
- Sukkulentenkunde. Jahrbücher der Schweizerischen Kakteen-Gesellschaft. Zurich
- Collation
- 7/8: 95
- Family as entered in IPNI
- Cactaceae