Escobaria missouriensis var. caespitosa (Engelm.) D.R.Hunt in Cact. Succ. J. Gr. Brit. 40: 13. 1978
Escobaria missouriensis var. caespitosa in Cact. Succ. J. Gr. Brit. 40: 13. 1978
is new combination for Mammillaria similis var. caespitosa in Boston J. Nat. Hist. 6(2): 200. 1850