family Asteraceae vs genus Sericocarpus

family Asteraceae and genus Sericocarpus both are nouns.

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

family Asteraceae (noun)	genus Sericocarpus (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	small genus of herbs of the eastern United States: white-topped asters