genus Gaillardia vs aster family

genus Gaillardia and aster family both are nouns.

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

genus Gaillardia (noun)	aster family (noun)
genus of western American hairy herbs with showy flowers	plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia