aster family vs Compositae

aster family and Compositae both are nouns.

Word	Noun	Adjective	Verb	Adverb
aster family	Yes	No	No	No
Compositae	Yes	No	No	No

As nouns, aster family and Compositae are synonyms defined as:

aster family and Compositae: plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia

Other synonyms of aster family include Asteraceae, family Asteraceae, family Compositae.

aster family (noun)	Compositae (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia