Rebutia marsoneri var. sieperdaiana (Buining) Donald in Cactus (Paris) 40: 39. 1954
Rebutia marsoneri var. sieperdaiana in Cactus (Paris) 40: 39. 1954
is new combination for Rebutia sieperdaiana in Succulenta (Netherlands) 23: 15. 1941
Rebutia marsoneri var. sieperdaiana in Cactus (Paris) 40: 39. 1954
Taxon for this name