aster family vs genus Serratula

aster family and genus Serratula both are nouns.

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

aster family (noun)	genus Serratula (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	genus of Old World perennial herbs with spirally arranged toothed leaves