Pilocereus haagei Poselg. ex Rümpler, Handb. Cacteenk., ed. 2, 2(16): 665. 1886
Pilocereus haagei, Handb. Cacteenk., ed. 2, 2(16): 665. 1886
is basionym for Espostoa haagei, Kakteen Südamerika 4: 1433. 1981
is basionym for Espostoa haagei, Cacti, ed. 1: 112. 1937