aster family vs genus Chrysothamnus

aster family and genus Chrysothamnus both are nouns.

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

aster family (noun)	genus Chrysothamnus (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	genus of low branching shrubs of western North America