Mammillaria elongata var. obscuriora Heinrich ex Backeb.
, Kakteenlexikon 236 (1966).
External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:150921-2
- Species Name
- Mammillaria elongata DC., Mém. Mus. Hist. Nat. 17: 109 (1828).
- Publication
- Kakteenlexikon, Das
- Collation
- 236
- Family as entered in IPNI
- Cactaceae