Cephalocereus gaumeri Britton & Rose, Cactaceae 2: 47. 1920
Cephalocereus gaumeri, Cactaceae 2: 47. 1920
is basionym for Pilosocereus gaumeri, Cactaceae 4: 2462–2463. 1960
is basionym for Pilocereus gaumeri, Kaktus-ABC: 330. 1936 ["1935"]
is basionym for Cereus gaumeri in Publ. Field Mus. Nat. Hist., Bot. Ser. 3: 366. 1930
Cephalocereus gaumeri, Cactaceae 2: 47. 1920