You selected Ageratum mexicanum Sweet. This is a synonym for:

Accepted scientific name:
Ageratum houstonianum Mill. (provisionally accepted name)
Synonyms:
Ageratum mexicanum Sims (synonym)
Ageratum mexicanum Sweet (synonym)
Ageratum wendlandii Bailly (synonym)
Carelia houstoniana (Mill.) Kuntze (synonym)
Common names: -
Classification:
Plantae
Phylum Magnoliophyta
Class Magnoliopsida
Order Asterales
Family Asteraceae
Genus Ageratum
Distribution: -
Additional data: Data Providers: Biological Diversity of the Guiana Shield, CONABIO, Caribbean Checklist, African Flowering Plants Database, SANBI, New Zealand Plant Name Database, Flora of Japan, Flora Malesiana, LCR Editor, Flora of Korea, Flora of Taiwan, Govaerts Wor. GCC LSID: urn:lsid:compositae.org:names:7C2DCF12-CA34-4CB7-9C03-15CF1CEA0EEE
Source database: GCC, 1 (Beta), Nov 2009
Latest taxonomic scrutiny: Flann C., 10-Aug-09
Online resource: -
CoL taxon LSID: urn:lsid:catalogueoflife.org:taxon:1f1ac1ac-60a7-102d-be47-00304854f810:ac2010