genus Buphthalmum vs family Asteraceae

genus Buphthalmum and family Asteraceae both are nouns.

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

genus Buphthalmum (noun)	family Asteraceae (noun)
a genus of flowering plants in the aster family containing two or three species (Buphthalmum)	plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia