Escobaria sneedii subsp. villardii (Castetter, P.Pierce & K.H.Schwer.) Lüthy in Kakteen And. Sukk. 50: 278. 1999
Escobaria sneedii subsp. villardii in Kakteen And. Sukk. 50: 278. 1999
is new combination for Escobaria villardii in Cact. Succ. J. (Los Angeles) 47: 64. 1975