This name is a synonym of Rebutia albopectinata Rausch.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50138730) with original publication details: Kakteen And. Sukk. 26(11): 244 1975.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:218207-2.
This name was in version 1 of The Plant List, record tro-50138730, and has not been changed.