aster family vs genus Ageratum

aster family and genus Ageratum both are nouns.

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

aster family (noun)	genus Ageratum (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	genus of tropical American herbs grown for their flowers