Petasites vs aster family

Petasites and aster family both are nouns.

Word	Noun	Adjective	Verb	Adverb
Petasites	Yes	No	No	No
aster family	Yes	No	No	No

Petasites (noun)	aster family (noun)
genus of rhizomatous herbs of north temperate regions: butterbur; sweet coltsfoot	plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia