genus Brickelia vs Compositae

genus Brickelia and Compositae both are nouns.

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

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