Compositae vs genus Haplopappus

Compositae and genus Haplopappus both are nouns.

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

Compositae (noun)	genus Haplopappus (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	genus of North and South American perennial herbs or shrubs with yellow flowers; in some classifications include species placed in other genera especially Hazardia