genus Xeranthemum vs family Asteraceae

genus Xeranthemum and family Asteraceae both are nouns.

Word	Noun	Adjective	Verb	Adverb
genus Xeranthemum	Yes	No	No	No
family Asteraceae	Yes	No	No	No

genus Xeranthemum (noun)	family Asteraceae (noun)
genus of annual densely hairy herbs of Mediterranean to southwestern Asia	plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia