Ebnerella mercadensis (Patoni) Buxb. in Oesterr. Bot. Z. 98: 89. 1951 Ebnerella mercadensis (Patoni) Buxb. in Oesterr. Bot. Z. 98: 89. 1951is new combination for Mammillaria mercadensis Patoni in Alianza Cient. Univ. 1: 54. 1910Taxon for this nameEbnerella mercadensis (Patoni) Buxb.