willow family vs family Salicaceae

willow family and family Salicaceae both are nouns.

Word	Noun	Adjective	Verb	Adverb
willow family	Yes	No	No	No
family Salicaceae	Yes	No	No	No

As nouns, willow family and family Salicaceae are synonyms defined as:

willow family and family Salicaceae: two genera of trees or shrubs having hairy catkins: Salix; Populus

Other synonyms of willow family include Salicaceae.

willow family (noun)	family Salicaceae (noun)
two genera of trees or shrubs having hairy catkins: Salix; Populus	two genera of trees or shrubs having hairy catkins: Salix; Populus