family Asteraceae vs genus Onopordum

family Asteraceae and genus Onopordum both are nouns.

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

family Asteraceae (noun)	genus Onopordum (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	a genus of Eurasian herbs of the family Compositae with prickly foliage and large purplish flowers