family Compositae vs genus Scolymus

family Compositae and genus Scolymus both are nouns.

Word	Noun	Adjective	Verb	Adverb
family Compositae	Yes	No	No	No
genus Scolymus	Yes	No	No	No

family Compositae (noun)	genus Scolymus (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	small genus of thistlelike herbs of the Mediterranean region