Mammillaria macracantha var. retrocurva Keller-Hoersch.
, Kakteenkunde 6: 86, fig (1937).
External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:151213-2
- Species Name
- Mammillaria macracantha DC.
- Publication
- Kakteenkunde. Organ der Deutschen Kakteen-Gesellschaft E.V., Sitz Berlin
- Collation
- 6: 86, fig
- Family as entered in IPNI
- Cactaceae
Type Information
- Distribution Of Types
- Without locality