aster family vs genus Pteropogon

aster family and genus Pteropogon both are nouns.

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

aster family (noun)	genus Pteropogon (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	genus of Australian and South African herbs including some from genus Helipterum