genus Layia vs Asteraceae

genus Layia and Asteraceae both are nouns.

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

genus Layia (noun)	Asteraceae (noun)
genus of western United States annuals with showy yellow or white flowers	plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia