family Compositae vs genus Packera

family Compositae and genus Packera both are nouns.

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

family Compositae (noun)	genus Packera (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	genus of American of east Asian perennial herbs with yellow to orange or red flower rays; sometimes included in genus Senecio