Cactus texanus (Engelm.) Small, Fl. S.E. U.S.: 812. 1903 Cactus texanus (Engelm.) Small, Fl. S.E. U.S.: 812. 1903is new combination for Mammillaria pusilla var. texana Engelm. in Proc. Amer. Acad. Arts 3: 261. 1856Taxon for this nameCactus texanus (Engelm.) Small