This name is a synonym of Angelica rupestris Koidz..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: J. Jap. Bot. 42: 99 1967.
This name was in version 1 of The Plant List, record kew-2730285, and has not been changed.