family Asteraceae vs genus Lasthenia

family Asteraceae and genus Lasthenia both are nouns.

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

family Asteraceae (noun)	genus Lasthenia (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	small genus of herbs of Pacific coast of North and South America