family Compositae vs genus Picris

family Compositae and genus Picris both are nouns.

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

family Compositae (noun)	genus Picris (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	genus of weedy Old World yellow-flowered herbs usually containing a bitter-tasting substance: bitterweed