Echinocereus polyacanthus var. neomexicanus (Standl.) D.Weniger, Cacti Southwest: 44. 1970
Echinocereus polyacanthus var. neomexicanus, Cacti Southwest: 44. 1970
is new combination for Echinocereus neomexicanus in Bull. Torrey Bot. Club 35: 87. 1908