family Asteraceae vs genus Ageratum

family Asteraceae and genus Ageratum both are nouns.

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

family Asteraceae (noun)	genus Ageratum (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	genus of tropical American herbs grown for their flowers