The record derives from TICA
(data supplied on )
which reports it as a synonym (record
E247E7DF-3334-4FDA-A360-83BE9ED54450) with original publication details: Acta Phytotax. Geobot. 6(3): 234. 1937. 234 1937.
This name record (from TICA) was not included in version 1 of The Plant List. It is possible the same name was included from a different data source, to check this you can search for Youngia japonica in version 1 of The Plant List.