aster family vs genus Heterotheca

aster family and genus Heterotheca both are nouns.

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

aster family (noun)	genus Heterotheca (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	genus of yellow-flowered North American herbs