family Polygalaceae vs Polygalaceae

family Polygalaceae and Polygalaceae both are nouns.

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

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

family Polygalaceae and Polygalaceae: trees, shrubs, and herbs widely distributed throughout both hemispheres

Other synonyms of family Polygalaceae include milkwort family.

family Polygalaceae (noun)	Polygalaceae (noun)
trees, shrubs, and herbs widely distributed throughout both hemispheres	trees, shrubs, and herbs widely distributed throughout both hemispheres