genus Layia vs aster family

genus Layia and aster family both are nouns.

Word	Noun	Adjective	Verb	Adverb
genus Layia	Yes	No	No	No
aster family	Yes	No	No	No

genus Layia (noun)	aster family (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