Rebutia ritteri (Wessner) Buining & Donald in Sukkulentenkunde 7-8: 103. 1963
Rebutia ritteri in Sukkulentenkunde 7-8: 103. 1963
is new combination for Lobivia ritteri in Beitr. Sukkulentenk. Sukkulentenpflege 1938: 3. 1938
Rebutia ritteri in Sukkulentenkunde 7-8: 103. 1963