Mediolobivia conoidea var. columnaris (Wessner) Backeb., Cactaceae 4: 1498. 1960 Mediolobivia conoidea var. columnaris (Wessner) Backeb., Cactaceae 4: 1498. 1960is new combination for Lobivia columnaris Wessner in Kakteenkunde 1940: 4. 1940Taxon for this nameMediolobivia conoidea var. columnaris (Wessner) Backeb.