Compositae vs genus Hazardia

Compositae and genus Hazardia both are nouns.

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

Compositae (noun)	genus Hazardia (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	small genus of shrubs and subshrubs of western United States having flowers that change color as they mature