Salix lucida vs shining willow

Salix lucida and shining willow both are nouns.

Word	Noun	Adjective	Verb	Adverb
Salix lucida	Yes	No	No	No
shining willow	Yes	No	No	No

As nouns, Salix lucida and shining willow are synonyms defined as:

Salix lucida and shining willow: common North American shrub with shiny lanceolate leaves

Salix lucida (noun)	shining willow (noun)
common North American shrub with shiny lanceolate leaves	common North American shrub with shiny lanceolate leaves