Nopalxochia macdougallii (Alexander) W.T.Marshall in Cactus (Paris) 4: 6. 1946
Nopalxochia macdougallii in Cactus (Paris) 4: 6. 1946
is earlier isonym of Nopalxochia macdougallii in Cact. Suc. Mex. 17 (4): 119. 1972
Nopalxochia macdougallii in Cactus (Paris) 4: 6. 1946