Found at Potosi, Camargo, by Ladislav Horacek.

Found by Hansjörg Jucker in Bolivia. I have not yet located more specific data for this plant.

With tiny flowers, but probably related to A. fiebrigii or A. kieslingii, found by Walter Rausch at Santa Victoria, Salta

Found by Ralf Hillmann at San Antonio, Mendez, Tarija Dep., Bolivia, at an altitude of 3500m.

Discovered by Friedrich Ritter at San Antonio, Mendez, Tarija Dep., Bolivia in 1977. FR1121 is the type plant.

Found by Walter Rausch in the region of Cachi, Obispo, Salta province, Argentina.

Discovered by Mats Winberg at Purmamarca, Jujuy, Argentina, at an altitude of 3300 to 3400m.

Found at Yunchara, Tarija, Bolivia by Walter Rausch in 1981, and described in 1987 as Lobivia atrovirens var. yuncharasensis. WR91

Found by Ralf Hillmann in Poscaya, Salta, in Argentina at an altitude of 3300m.

Discovered by Walter Rausch in 1985 at Cuesta de Obispo, Salta, in Argentina. WR771 is the type plant.