This name is a synonym of Rebutia heliosa Rausch.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50176734) with original publication details: Ashingtonia 1(2): 21 1973.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:1071954-2.
This name was in version 1 of The Plant List, record tro-50176734.