family Asteraceae vs genus Townsendia

family Asteraceae and genus Townsendia both are nouns.

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

family Asteraceae (noun)	genus Townsendia (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	genus of western American low tufted herbs: Easter daisy