genus Argyranthemum vs Compositae

genus Argyranthemum and Compositae both are nouns.

Word	Noun	Adjective	Verb	Adverb
genus Argyranthemum	Yes	No	No	No
Compositae	Yes	No	No	No

genus Argyranthemum (noun)	Compositae (noun)
comprises plants often included in the genus Chrysanthemum, endemic to Macaronesia (Argyranthemum)	plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia