Found by Václav Jakubec at Rio Honda, Nor Cinti, Chquisaca Dept., Bolivia.

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