family Asteraceae vs genus Ozothamnus

family Asteraceae and genus Ozothamnus both are nouns.

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

family Asteraceae (noun)	genus Ozothamnus (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	genus of Australian shrubs and perennial herbs; sometimes included in genus Helichrysum