Neolloydia knuthiana var. ysabelae (Schlange) A.T.Powell
, Brit. Cact. Succ. J. 13(4): 154 (1995), without basionym ref.; (1995).
External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:996514-1
- Species Name
- Neolloydia knuthiana (Boed.) F.M.Knuth, Kaktus-ABC [Backeb. & Knuth] 367 (1936).
- Publication
- British Cactus & Succulent Journal. Botley
- Collation
- 13(4): 154 (1995), without basionym ref.;
- Date of Publication
- 1995
- Family as entered in IPNI
- Cactaceae