Argyroxiphium vs aster family

Argyroxiphium and aster family both are nouns.

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

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