aster family vs sage brush

aster family and sage brush both are nouns.

Word	Noun	Adjective	Verb	Adverb
aster family	Yes	No	No	No
sage brush	Yes	No	No	No

aster family (noun)	sage brush (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	any of several North American composite subshrubs of the genera Artemis or Seriphidium