You selected Chrysanthemum tanacetifolium (Desr.) Dum.Cours. This is a synonym for:

Accepted scientific name:
Tanacetum balsamita L. (provisionally accepted name)
Synonyms:
Balsamita balsamita (L.) Rydb. (synonym)
Balsamita major Desf. (synonym)
Balsamita suaveolens Pers. (synonym)
Balsamita vulgaris Willd. (synonym)
Chamaemelum balsamita (L.) E.H.L.Krause (synonym)
Chrysanthemum balsamita (L.) Baill. (synonym)
Chrysanthemum grande (L.) Hook.f. (synonym)
Chrysanthemum grandiflorum (Desf.) Dum.Cours. (synonym)
Chrysanthemum majus (Desf.) Asch. (synonym)
Chrysanthemum tanacetifolium (Desr.) Dum.Cours. (synonym)
Chrysanthemum tanacetum Vis. (synonym)
Pyrethrum majus (Desf.) Tzvelev (synonym)
Common names: -
Classification:
Plantae
Phylum Magnoliophyta
Class Magnoliopsida
Order Asterales
Family Asteraceae
Genus Tanacetum
Distribution: -
Additional data: Data Providers: New Zealand Plant Name Database, Govaerts World Compositae Checklist A-G, IPNI, Tropicos, Euro+Med. GCC LSID: urn:lsid:compositae.org:names:19EFD235-BAAA-458D-9050-B624F633333E
Source database: GCC, 1 (Beta), Nov 2009
Latest taxonomic scrutiny: Flann C., 04-Nov-09
Online resource: -
CoL taxon LSID: urn:lsid:catalogueoflife.org:taxon:1e9e2d68-60a7-102d-be47-00304854f810:ac2010