Asteraceae vs genus Brachycome

Asteraceae and genus Brachycome both are nouns.

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

Asteraceae (noun)	genus Brachycome (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	mostly Australian herbs having basal or alternate leaves and loosely corymbose flower heads