Salix tristis vs sage willow

Salix tristis and sage willow both are nouns.

Word	Noun	Adjective	Verb	Adverb
Salix tristis	Yes	No	No	No
sage willow	Yes	No	No	No

As nouns, Salix tristis and sage willow are synonyms defined as:

Salix tristis and sage willow: willow shrub of dry places in the eastern United States having long narrow leaves canescent beneath

Other synonyms of Salix tristis include dwarf gray willow, dwarf grey willow.

Salix tristis (noun)	sage willow (noun)
willow shrub of dry places in the eastern United States having long narrow leaves canescent beneath	North American shrub with whitish canescent leaves
	willow shrub of dry places in the eastern United States having long narrow leaves canescent beneath