Asteraceae vs genus Othonna

Asteraceae and genus Othonna both are nouns.

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

Asteraceae (noun)	genus Othonna (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	genus of western African herbs or shrubs