family Compositae vs genus Townsendia

family Compositae and genus Townsendia both are nouns.

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

family Compositae (noun)	genus Townsendia (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	genus of western American low tufted herbs: Easter daisy