family Compositae vs genus Saussurea

family Compositae and genus Saussurea both are nouns.

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

family Compositae (noun)	genus Saussurea (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	genus of herbs of temperate and cool regions of Eurasia