This name is a synonym of Hesperis pendula subsp. aucheri (Boiss.) F.Dvořák.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 100358398) with original publication details: Ann. Sci. Nat., Bot., sér. 2, 17: 66 1842.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:284876-1.
This name was in version 1 of The Plant List, record tro-100358398.