This name is a synonym of Ambrosia peruviana Willd..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 71090E16-E81F-4320-A032-D6F4C8CA485B) with original publication details: 444 1834.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:176114-1.
This name was in version 1 of The Plant List, record gcc-127149.