You selected Acmella occidentalis Nutt. This is a synonym for:

Accepted scientific name:
Acmella repens (Walter) Rich. ex Pers. (provisionally accepted name)
Synonyms:
Acmella nuttaliana Raf. (synonym)
Acmella occidentalis Nutt. (synonym)
Anthemis repens Walter (synonym)
Ceratocephalus beccabunga (DC.) Kuntze (synonym)
Ceratocephalus repens (Walter) Kuntze (synonym)
Spilanthes beccabunga DC. (synonym)
Spilanthes cocuyensis Cuatrec. (synonym)
Spilanthes lateraliflora Klatt (synonym)
Spilanthes orizabaensis (Sch.Bip.) Sch.Bip. ex Klatt (synonym)
Spilanthes repens (Walter) Michx. (synonym)
Common names: -
Classification:
Plantae
Phylum Magnoliophyta
Class Magnoliopsida
Order Asterales
Family Asteraceae
Genus Acmella
Distribution: -
Additional data: Data Providers: Biological Diversity of the Guiana Shield, CONABIO, LCR Editor, Govaerts World Compositae Checklist A-G, IPNI, MesoAmericana, Tropicos, Colombia. GCC LSID: urn:lsid:compositae.org:names:F477F20A-0682-4CCD-AA87-3FC8E7E0D539
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:1f1caa76-60a7-102d-be47-00304854f810:ac2010