Mammillaria occidentalis var. monocentra (R.T.Craig) Backeb.
, Cactaceae (Backeberg) 5: 3289 (1961).
External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:151372-2
- Species Name
- Mammillaria occidentalis Boed., Mammillarien-Vergleichs-Schluessel 36 (1933).
- Publication
- Die Cactaceae: Handbuch der Kakteenkunde
- Collation
- 5: 3289
- Family as entered in IPNI
- Cactaceae