family Asteraceae vs genus Krigia

family Asteraceae and genus Krigia both are nouns.

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

family Asteraceae (noun)	genus Krigia (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	small herbs closely related to chicory: dwarf dandelions