This name is a synonym of Parodia maasii (Heese) A. Berger.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50138532) with original publication details: Stachelpost 9(43): 2 1973.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:183473-2.
This name was in version 1 of The Plant List, record tro-50138532.