aster family vs genus Argyroxiphium

aster family and genus Argyroxiphium both are nouns.

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

aster family (noun)	genus Argyroxiphium (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	small genus of Hawaiian spreading and rosette-forming shrubs