A plant which was listed on some Czech nurseries as Mediolobiva pectinata var. ruberinna, Mediolobivia ruberrina, or Rebutia ruberrina and

Found by Ralf Hillmann at Uncia, Bustillos, Potosi, at an altitude of 3850m.

Originally listed as Aylostera pectinata var. neosteinmannii. I have not been able to trace the field collection number (or nursery

Found by Mats Winberg between Caspalá and Humahuaca, Prov. Jujuy, Argentina, at an altitude of 3,700m. Sometimes seen in nurseries

This plant obtained as FR1108 differs quite a lot from the other plant FR1108 in the collection. Both plants were

Found in Tafna, Jujuy, Argentina by Ralf Hillmann at an altitude of 3,550m.

Found by Friedrich Ritter north of Oruro, dep. Oruro, Bolivia, in 1954.

Found at Chiñi Mayu, NE Camargo, Dep. Chuquisaca, Bolivia, by Ralf Hillmann in 1989.

Found by Friedrich Ritter at Cucho Ingenio, Potosi, Bolivia in 1954.