family Asteraceae vs genus Zinnia

family Asteraceae and genus Zinnia both are nouns.

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

family Asteraceae (noun)	genus Zinnia (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	genus of annual or perennial plants of tropical America having solitary heads of brightly colored flowers