Huntingdon willow vs white willow

Huntingdon willow and white willow both are nouns.

Word	Noun	Adjective	Verb	Adverb
Huntingdon willow	Yes	No	No	No
white willow	Yes	No	No	No

As nouns, Huntingdon willow and white willow are synonyms defined as:

Huntingdon willow and white willow: large willow tree of Eurasia and North Africa having greyish canescent leaves and grey bark

Other synonyms of Huntingdon willow include Salix alba.

Huntingdon willow (noun)	white willow (noun)
large willow tree of Eurasia and North Africa having greyish canescent leaves and grey bark	large willow tree of Eurasia and North Africa having greyish canescent leaves and grey bark