genus Sericocarpus vs aster family

genus Sericocarpus and aster family both are nouns.

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

genus Sericocarpus (noun)	aster family (noun)
small genus of herbs of the eastern United States: white-topped asters	plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia