Ebnerella sheldonii (Britton & Rose) Buxb. in Oesterr. Bot. Z. 98: 90. 1951 Ebnerella sheldonii (Britton & Rose) Buxb. in Oesterr. Bot. Z. 98: 90. 1951is new combination for Neomammillaria sheldonii Britton & Rose, Cactaceae 4: 156–157, f. 175. 1923Taxon for this nameEbnerella sheldonii (Britton & Rose) Buxb.