Compositae vs genus Verbesina

Compositae and genus Verbesina both are nouns.

Word	Noun	Adjective	Verb	Adverb
Compositae	Yes	No	No	No
genus Verbesina	Yes	No	No	No

Compositae (noun)	genus Verbesina (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	herbs and shrubs of warm North America to Mexico; includes plants formerly placed in genus Actinomeris