This name is a synonym of Rumex pulcher subsp. woodsii (De Not.) Arcang..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Mitth. Thüring. Bot. Vereins n.f., 11: 59 1897.
This name was in version 1 of The Plant List, record kew-2869558, and has not been changed.