quillwort family vs Isoetaceae

quillwort family and Isoetaceae both are nouns.

Word	Noun	Adjective	Verb	Adverb
quillwort family	Yes	No	No	No
Isoetaceae	Yes	No	No	No

As nouns, quillwort family and Isoetaceae are synonyms defined as:

quillwort family and Isoetaceae: quillworts; coextensive with the genus Isoetes

Other synonyms of quillwort family include family Isoetaceae.

quillwort family (noun)	Isoetaceae (noun)
quillworts; coextensive with the genus Isoetes	quillworts; coextensive with the genus Isoetes