Lobivia atrovirens var. ritteri (Wessner) Rausch, Lobivia 85: 13. 1987 ["1985"] Lobivia atrovirens var. ritteri (Wessner) Rausch, Lobivia 85: 13. 1987 ["1985"]is new combination for Lobivia ritteri Wessner in Beitr. Sukkulentenk. Sukkulentenpflege 1938: 3. 1938Taxon for this nameLobivia atrovirens var. ritteri (Wessner) Rausch