aster family vs genus Chaenactis

aster family and genus Chaenactis both are nouns.

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

aster family (noun)	genus Chaenactis (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	genus of flowering herbs of western United States