Cruciferae vs family Cruciferae

Cruciferae and family Cruciferae both are nouns.

Word	Noun	Adjective	Verb	Adverb
Cruciferae	Yes	No	No	No
family Cruciferae	Yes	No	No	No

As nouns, Cruciferae and family Cruciferae are synonyms defined as:

Cruciferae and family Cruciferae: a large family of plants with four-petaled flowers; includes mustards, cabbages, broccoli, turnips, cresses, and their many relatives

Other synonyms of Cruciferae include Brassicaceae, family Brassicaceae, mustard family.

Cruciferae (noun)	family Cruciferae (noun)
a large family of plants with four-petaled flowers; includes mustards, cabbages, broccoli, turnips, cresses, and their many relatives	a large family of plants with four-petaled flowers; includes mustards, cabbages, broccoli, turnips, cresses, and their many relatives