dwarf grey willow vs sage willow

dwarf grey willow and sage willow both are nouns.

Word	Noun	Adjective	Verb	Adverb
dwarf grey willow	Yes	No	No	No
sage willow	Yes	No	No	No

As nouns, dwarf grey willow and sage willow are synonyms defined as:

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

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

dwarf grey willow (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