Escobaria missouriensis (Sweet) D.R.Hunt [ Neobesseya missouriensis (Sweet) Britton & Rose]
      
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6 409236 Escobaria missouriensis (Sweet) D.R.Hunt [125 639345 Mammillaria missouriensis Sweet] Cactaceae
N.L. Britton, J.N. Rose, Cact., vol. 4 : t. 11 (1923) [M.E. Eaton]