Escobaria missouriensis (Sweet) D.R.Hunt [ Neobesseya missouriensis (Sweet) Britton & Rose]
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Escobaria missouriensis (Sweet) D.R.Hunt [ Mammillaria missouriensis Sweet] [Cactaceae]
N.L. Britton, J.N. Rose, Cact., vol. 4 : t. 11 (1923) [M.E. Eaton]