yellow-eyed grass family vs Xyridaceae

yellow-eyed grass family and Xyridaceae both are nouns.

Word	Noun	Adjective	Verb	Adverb
yellow-eyed grass family	Yes	No	No	No
Xyridaceae	Yes	No	No	No

As nouns, yellow-eyed grass family and Xyridaceae are synonyms defined as:

yellow-eyed grass family and Xyridaceae: plants of tropical to temperate regions; usually in wet places

Other synonyms of yellow-eyed grass family include family Xyridaceae.

yellow-eyed grass family (noun)	Xyridaceae (noun)
plants of tropical to temperate regions; usually in wet places	plants of tropical to temperate regions; usually in wet places