Cactus tetrancistrus (Engelm.) J.M.Coult. in Contr. U.S. Natl. Herb. 3: 104. 1894
Cactus tetrancistrus in Contr. U.S. Natl. Herb. 3: 104. 1894
is new combination for Mammillaria tetrancistra in Amer. J. Sci. Arts, ser. 2, 14(42): 337–338. 1852
Cactus tetrancistrus in Contr. U.S. Natl. Herb. 3: 104. 1894
Taxon for this name