family Salicaceae vs willow family

family Salicaceae and willow family both are nouns.

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

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

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

Other synonyms of family Salicaceae include Salicaceae.

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