Digitorebutia haagei var. atrovirens (Backeb.) Donald
, Natl. Cact. Succ. J. 12: 11 (1957).- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:80345-2
- Publication
- National Cactus and Succulent Journal. Leeds, Bradford
- Collation
- 12: 11
- Family as entered in IPNI
- Cactaceae