This name is a synonym of Parodia alacriportana subsp. buenekeri (Buining) Hofacker & P.J. Braun.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50180467) with original publication details: Succulenta (Netherlands) 1962: 99 1962.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:183344-2.
This name was in version 1 of The Plant List, record tro-50180467, and has not been changed.