Conophytum stephanii subsp. helmutii (Lavis) S.A.Hammer
, Ill. Handb. Succ. Pl. Aizoaceae 168 (2002 publ. 2001) (2001).
External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:20004152-1
- Species Name
- Conophytum stephanii Schwantes, Gartenwelt 1929, xxxiii. 25.
- Publication
- Illustrated Handbook of Succulent Plants. Aizoaceae. Berlin; New York
- Collation
- 168 (2002 publ. 2001)
- Family as entered in IPNI
- Aizoaceae