aster family vs genus Grindelia

aster family and genus Grindelia both are nouns.

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

aster family (noun)	genus Grindelia (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	large genus of coarse gummy herbs of western North and Central America