Helianthocereus huascha var. auricolor (Backeb.) Backeb. in Cactus (Paris) 45: 210. 1955 Helianthocereus huascha var. auricolor (Backeb.) Backeb. in Cactus (Paris) 45: 210. 1955is new combination for Trichocereus auricolor Backeb., Kaktus-ABC: 412. 1936 ["1935"]Taxon for this nameHelianthocereus huascha var. auricolor (Backeb.) Backeb.