Asteraceae vs genus Olearia

Asteraceae and genus Olearia both are nouns.

Word	Noun	Adjective	Verb	Adverb
Asteraceae	Yes	No	No	No
genus Olearia	Yes	No	No	No

Asteraceae (noun)	genus Olearia (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	large genus of Australian evergreen shrubs or small trees with large daisylike flowers