genus Taraxacum vs aster family

genus Taraxacum and aster family both are nouns.

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

genus Taraxacum (noun)	aster family (noun)
an asterid dicot genus of the family Compositae including dandelions	plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia