aster family vs genus Cosmos

aster family and genus Cosmos both are nouns.

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

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