This name is a synonym of Ambrosia arborescens Mill..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 69B9AB8B-F939-41A4-88F7-60023FA8A920) with original publication details: Studi Lign. Anem. Comp. Artem. 18 1871.
This name was in version 1 of The Plant List, record gcc-51773.