aster family vs genus Cotula

aster family and genus Cotula both are nouns.

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

aster family (noun)	genus Cotula (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	cosmopolitan herbs especially Southern Hemisphere; many used as ground covers