Escobaria macdougallii (Alexander) V.John & Říha in Kaktusy (Brno) 17: 43. 1981
Escobaria macdougallii in Kaktusy (Brno) 17: 43. 1981
is new combination for Ortegocactus macdougallii in Cact. Succ. J. (Los Angeles) 33: 39. 1961
Escobaria macdougallii in Kaktusy (Brno) 17: 43. 1981