Found by Ralf Hillmann at Alfarsito, Salta, Argentina.

Found by Omar Ferrari at Jujuy, Argentina.

Found by Walter Rausch in Bolivia; location not certain. This is the type plant for this species.

Found by Ralf Hillmann north of Camargo, Chuquisaca, Bolivia at an altitude of 3500m.

Found by Ralf Hillmann at Carichi Mayu, Tarija, Bolivia, at an altitude of 2450m.

Found by Ralf Hillmann between San Lorenzo and Rio Pilaya, Tarija, Bolivia, at an altitude of 2950m.

Found by Martin Lowry at Inca Huasi, Chuquisaca, Bolivia, at an altitude of 2950m. Note that originally this plant was

Found by Walter Rausch north-east of Culpina and Inca Huasi, Sud Cinti, Chuquisaca, Bolivia at an altitude of 3200m.

Found by Walter Rausch at La Cueva, Sud Cinti, Bolivia.

Found by Alfred Lau east of Mina Asientos, near the border between Cochabamba and Chuquisaca, Bolivia, at an altitude of

Originally named Rebutia pilosa N.N., now thought to be a form of Aylostera fiebrigii. Found by Karel Kníže at Las

Originally named Rebutia aureispina N.N., now thought to be a form of Aylostera fiebrigii. Found by Karel Kníže at Junacas,