Salix babylonica vs Babylonian weeping willow

Salix babylonica and Babylonian weeping willow both are nouns.

Word	Noun	Adjective	Verb	Adverb
Salix babylonica	Yes	No	No	No
Babylonian weeping willow	Yes	No	No	No

As nouns, Salix babylonica and Babylonian weeping willow are synonyms defined as:

Salix babylonica and Babylonian weeping willow: willow with long drooping branches and slender leaves native to China; widely cultivated as an ornamental

Other synonyms of Salix babylonica include weeping willow.

Salix babylonica (noun)	Babylonian weeping willow (noun)
willow with long drooping branches and slender leaves native to China; widely cultivated as an ornamental	willow with long drooping branches and slender leaves native to China; widely cultivated as an ornamental