Mediolobivia haagei var. atrovirens (Backeb.) Donald in Cactus (Paris) 40: 39. 1954 Mediolobivia haagei var. atrovirens (Backeb.) Donald in Cactus (Paris) 40: 39. 1954is new combination for Lobivia atrovirens Backeb., Kaktus-ABC: 242, 414. 1936 ["1935"]Taxon for this nameMediolobivia haagei var. atrovirens (Backeb.) Donald