genus Heterotheca vs Asteraceae

genus Heterotheca and Asteraceae both are nouns.

Word	Noun	Adjective	Verb	Adverb
genus Heterotheca	Yes	No	No	No
Asteraceae	Yes	No	No	No

genus Heterotheca (noun)	Asteraceae (noun)
genus of yellow-flowered North American herbs	plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia