florist's willow vs Salix caprea

florist's willow and Salix caprea both are nouns.

Word	Noun	Adjective	Verb	Adverb
florist's willow	Yes	No	No	No
Salix caprea	Yes	No	No	No

As nouns, florist's willow and Salix caprea are synonyms defined as:

florist's willow and Salix caprea: much-branched Old World willow having large catkins and relatively large broad leaves

Other synonyms of florist's willow include goat willow, pussy willow.

florist's willow (noun)	Salix caprea (noun)
much-branched Old World willow having large catkins and relatively large broad leaves	much-branched Old World willow having large catkins and relatively large broad leaves