This name is a synonym of Pedicularis rex subsp. lipskyana (Bonati) Tsoong.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 29207131) with original publication details: Repert. Spec. Nov. Regni Veg. 18(513–523): 243 1922.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:807245-1.
This name was in version 1 of The Plant List, record tro-29207131, and has not been changed.