aster family vs genus Gaillardia

aster family and genus Gaillardia both are nouns.

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

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