Compositae vs Brickellia

Compositae and Brickellia both are nouns.

Word	Noun	Adjective	Verb	Adverb
Compositae	Yes	No	No	No
Brickellia	Yes	No	No	No

Compositae (noun)	Brickellia (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	genus of herbs of southwestern America having usually creamy florets followed by one-seeded fruits in a prominent bristly sheath