Neomammillaria plumosa (F.A.C.Weber) Britton & Rose, Cactaceae 4: 123–124, f. 131. 1923 Neomammillaria plumosa (F.A.C.Weber) Britton & Rose, Cactaceae 4: 123–124, f. 131. 1923is new combination for Mammillaria plumosa F.A.C.Weber in Bois, Dict. Hort.: 804. 1898Taxon for this nameNeomammillaria plumosa (F.A.C.Weber) Britton & Rose