aster family vs genus Tragopogon

aster family and genus Tragopogon both are nouns.

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

aster family (noun)	genus Tragopogon (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	genus of Old World herbs with linear entire leaves and yellow or purple flower heads