aster family vs composite plant

aster family and composite plant both are nouns.

Word	Noun	Adjective	Verb	Adverb
aster family	Yes	No	No	No
composite plant	Yes	No	No	No

aster family (noun)	composite plant (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	considered the most highly evolved dicotyledonous plants, characterized by florets arranged in dense heads that resemble single flowers