This name is a synonym of Hieracium scouleri Hook..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record FDEB6D64-65DB-457C-A28F-62552421009D) with original publication details: Spicil. Rar. Hierac. 20 (-21) 1881.
This name was in version 1 of The Plant List, record gcc-75391.