aster family vs genus Tussilago

aster family and genus Tussilago both are nouns.

Word	Noun	Adjective	Verb	Adverb
aster family	Yes	No	No	No
genus Tussilago	Yes	No	No	No

aster family (noun)	genus Tussilago (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	genus of low creeping yellow-flowered perennial herbs of north temperate regions: coltsfoots; in some classifications includes species often placed in other genera especially Homogyne and Petasites