This name is a synonym of Ligusticum ajanense (Regel & Tiling) Koso-Pol..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 1704236) with original publication details: Bot. Mag. (Tokyo) 20: 305 1906.
This name was in version 1 of The Plant List, record tro-1704236.