Epithelantha greggii subsp. polycephala (Backeb.) D.Donati & Zanov.
, Piante Grasse 30(4): 185 (179-180; photos) (2010).
External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:77113030-1
- Species Name
- Epithelantha greggii (Engelm.) Orcutt, Cactography 5 (1926).
- Publication
- Piante Grasse; rivista periodica della Associazione Italiana Amatori delle Piante Succulente (AIAS). Santo Spirito.
- Collation
- 30(4): 185 (179-180; photos)
- Date of Publication
- Oct-Dec 2010
- Family as entered in IPNI
- Cactaceae