Mammillaria milleri var. sheldonii (Britton & Rose) Neutel.

, Succulenta (Netherlands) 65: 119 (1986).
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External links to taxonomic opinions:
POWO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:280367-2
Species Name
Mammillaria milleri Boed., Mammillarien-Vergleichs-Schluessel 30 (1933).
Publication
Succulenta; Nederlandsche Vereeniging van Liefhebbers van Cactussen en andere Vetplanten. Huizum, etc.
Collation
65: 119
Family as entered in IPNI
Cactaceae

Links

Nomenclatural link
Neomammillaria sheldonii Britton & Rose, Cactaceae (Britton & Rose) vo. 4: 156 (1923).
Same citation as
Mammillaria milleri var. sheldonii (Britton & Rose) Neutel., Succulenta (Netherlands) 65(5): 119 (1986).