aster family vs family Asteraceae

aster family and family Asteraceae both are nouns.

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

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

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

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

aster family (noun)	family Asteraceae (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