family Compositae vs genus Eupatorium

family Compositae and genus Eupatorium both are nouns.

Word	Noun	Adjective	Verb	Adverb
family Compositae	Yes	No	No	No
genus Eupatorium	Yes	No	No	No

family Compositae (noun)	genus Eupatorium (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	large genus of chiefly tropical herbs having heads of white or purplish flowers