aster family vs genus Gnaphalium

aster family and genus Gnaphalium both are nouns.

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

aster family (noun)	genus Gnaphalium (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	large widely distributed genus of coarse hairy herbs with whitish involucres