This name is a synonym of Papaver amurense (N. Busch) N. Busch ex Tolm..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 24000643) with original publication details: Fl. Sib. & Or. Extr. 1: 21 1913.
This name was in version 1 of The Plant List, record tro-24000643, and has not been changed.