You selected Pyrethrum argenteum (Lam.) Boiss. This is a synonym for:

Accepted scientific name:
Tanacetum argenteum (Lam.) Willd. (provisionally accepted name)
Synonyms:
Achillea argentea Lam. (synonym)
Chrysanthemum argenteum (Willd.) Bornm. (synonym)
Chrysanthemum helichrysiflorum (Hausskn. & Bornm.) Bornm. (synonym)
Chrysanthemum isabellinum (K.Koch) Rech.f. (synonym)
Chrysanthemum latisectum (Boiss.) Hand.-Mazz. (synonym)
Hemipappus argenteus (Lam.) Tzvelev (synonym)
Pyrethrum argenteum (Lam.) Boiss. (synonym)
Pyrethrum leucophyllum Boiss. & Hausskn. (synonym)
Common names: -
Classification:
Plantae
Phylum Magnoliophyta
Class Magnoliopsida
Order Asterales
Family Asteraceae
Genus Tanacetum
Distribution: -
Additional data: Data Providers: Govaerts World Compositae Checklist A-G, IPNI, Tropicos, Euro+Med. GCC LSID: urn:lsid:compositae.org:names:4979E4FD-37C8-42A0-B03B-CFCE952BAA50
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:1e9b99e0-60a7-102d-be47-00304854f810:ac2010