Escobaria oklahomensis (Lahman) Buxb. in Oesterr. Bot. Z. 98: 78. 1951 Escobaria oklahomensis (Lahman) Buxb. in Oesterr. Bot. Z. 98: 78. 1951is new combination for Coryphantha oklahomensis Lahman in Cact. Succ. J. (Los Angeles) 21: 165. 1949Taxon for this nameEscobaria oklahomensis (Lahman) Buxb.