Found by Walter Rausch at Challapata, Oruro Dept., Bolivia, at an altitude of 3800m.

Found by Josef Odehnal at Yunchara, Tarija Dept., Bolivia in 1999, at an altitude of 3500m.

This plant was bought as Aylostera froehlichiana, but WR493 is the type plant of A. gavazzii. Unfortunately the number WR493

Found by Ralf Hillmann at Mal Paso, Bolivia at an altitude of 3950m.

Also found listed as A. suquistacensis, A. suquistaensis. Found by Erich Haugg. I have not yet been able to locate

Found by Erwin Herzog at Companario, Curqui, Bolivia.

Originally named Rebutia einsteinii var. euanthema, which is now regarded as A. oculata. Found at Volcán, Jujuy in Argentina at