Haageocereus acranthus var. fortalezensis Rauh & Backeb., Descr. Cact. Nov. 1: 22. 1957 ["1956"] Haageocereus acranthus var. fortalezensis Rauh & Backeb., Descr. Cact. Nov. 1: 22. 1957 ["1956"]Taxon for this nameHaageocereus acranthus var. fortalezensis Rauh & Backeb.
