laurel willow vs Salix pentandra

laurel willow and Salix pentandra both are nouns.

Word	Noun	Adjective	Verb	Adverb
laurel willow	Yes	No	No	No
Salix pentandra	Yes	No	No	No

As nouns, laurel willow and Salix pentandra are synonyms defined as:

laurel willow and Salix pentandra: European willow tree with shining leathery leaves; widely naturalized in the eastern United States

Other synonyms of laurel willow include bay willow.

laurel willow (noun)	Salix pentandra (noun)
European willow tree with shining leathery leaves; widely naturalized in the eastern United States	European willow tree with shining leathery leaves; widely naturalized in the eastern United States