family Asteraceae vs genus Ratibida

family Asteraceae and genus Ratibida both are nouns.

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

family Asteraceae (noun)	genus Ratibida (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	genus of perennial wildflowers of North American plains and prairies; often cultivated for their showy flower heads