family Potamogetonaceae vs Potamogetonaceae

family Potamogetonaceae and Potamogetonaceae both are nouns.

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

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

family Potamogetonaceae and Potamogetonaceae: plants that grow in ponds and slow streams; sometimes includes family Zosteraceae

Other synonyms of family Potamogetonaceae include pondweed family.

family Potamogetonaceae (noun)	Potamogetonaceae (noun)
plants that grow in ponds and slow streams; sometimes includes family Zosteraceae	plants that grow in ponds and slow streams; sometimes includes family Zosteraceae