Espostoa haagei (Poselg. ex Rümpler) Borg, Cacti, ed. 1: 112. 1937 Espostoa haagei (Poselg. ex Rümpler) Borg, Cacti, ed. 1: 112. 1937is new combination for Pilocereus haagei Poselg. ex Rümpler, Handb. Cacteenk., ed. 2, 2(16): 665. 1886Taxon for this nameEspostoa haagei (Poselg. ex Rümpler) Borg