genus Ursinia vs aster family

genus Ursinia and aster family both are nouns.

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

genus Ursinia (noun)	aster family (noun)
genus of South African herbs and shrubs cultivated as ornamentals	plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia