Ebnerella pygmaea (Britton & Rose) Buxb. in Oesterr. Bot. Z. 98: 90. 1951 Ebnerella pygmaea (Britton & Rose) Buxb. in Oesterr. Bot. Z. 98: 90. 1951is new combination for Neomammillaria pygmaea Britton & Rose, Cactaceae 4: 142–143. 1923Taxon for this nameEbnerella pygmaea (Britton & Rose) Buxb.