Cephalocereus phaeacanthus (Gürke) Britton & Rose, Cactaceae 2: 57. 1920
Cephalocereus phaeacanthus, Cactaceae 2: 57. 1920
is new combination for Cereus phaeacanthus in Monatsschr. Kakteenk. 18: 57. 1908
Cephalocereus phaeacanthus, Cactaceae 2: 57. 1920