genus Pteropogon vs aster family

genus Pteropogon and aster family both are nouns.

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

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