Tanacetum cinerariifolium vs genus Tanacetum

Tanacetum cinerariifolium and genus Tanacetum both are nouns.

Word	Noun	Adjective	Verb	Adverb
Tanacetum cinerariifolium	Yes	No	No	No
genus Tanacetum	Yes	No	No	No

Tanacetum cinerariifolium (noun)	genus Tanacetum (noun)
white-flowered pyrethrum of Balkan area whose pinnate leaves are white and silky-hairy below; source of an insecticide; sometimes placed in genus Chrysanthemum	a large genus of plants resembling chrysanthemums; comprises some plants often included in other genera especially genus Chrysanthemum