Rebutia pygmaea f. haefneriana (Cullmann) Buining & Donald in Sukkulentenkunde 7-8: 103. 1963
Rebutia pygmaea f. haefneriana in Sukkulentenkunde 7-8: 103. 1963
is new combination for Mediolobivia haefneriana in Kakteen And. Sukk. 6(2): 119. 1955