Coryphantha pottsiana (Poselg.) A.D.Zimmerman, Cacti Trans-Pecos: 428. 2004 Coryphantha pottsiana (Poselg.) A.D.Zimmerman, Cacti Trans-Pecos: 428. 2004is new combination for Echinocactus pottsianus Poselg. in Allg. Gartenzeitung 21: 107. 1853Taxon for this name? Coryphantha pottsiana (Poselg.) A.D.Zimmerman