aster family vs genus Callistephus

aster family and genus Callistephus both are nouns.

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

aster family (noun)	genus Callistephus (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	one species: erect Asiatic herb with large flowers