You selected Ambrosia arborescens Lam. This is a synonym for:

Accepted scientific name:
Ambrosia artemisioides Meyen & Walp. ex Meyen & Walp. (provisionally accepted name)
Synonyms:
Ambrosia arborescens Lam. (synonym)
Franseria fruticosa Phil. (synonym)
Franseria meyeniana Sch.Bip. (synonym)
Franseria recurva Rusby (synonym)
Franseria tacorensis Meyen & Walp. (synonym)
Gaertneria fruticosa Kuntze (synonym)
Common names: -
Classification:
Plantae
Phylum Magnoliophyta
Class Magnoliopsida
Order Asterales
Family Asteraceae
Genus Ambrosia
Distribution: -
Additional data: Data Providers: Govaerts World Compositae Checklist A-G, IPNI, Tropicos. GCC LSID: urn:lsid:compositae.org:names:63A53A44-9283-4846-9904-38CE66972918
Source database: GCC, 1 (Beta), Nov 2009
Latest taxonomic scrutiny: Flann C., 14-Oct-09
Online resource: -
CoL taxon LSID: urn:lsid:catalogueoflife.org:taxon:1f33d494-60a7-102d-be47-00304854f810:ac2010