This name is a synonym of Paphiopedilum callosum var. warnerianum (T.Moore) Aver..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 53918) with original publication details: Warner Select. Orchid. Pl. 3: t. 11 1878.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:77088376-1.
This name was in version 1 of The Plant List, record kew-53918, and has not been changed.