This name is a synonym of Conium maculatum L..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Nat. Pflanzenfam. 3(7-8): 169 1898.
This name was in version 1 of The Plant List, record kew-2734169, and has not been changed.