Salix alba sericea vs Salix sericea

Salix alba sericea and Salix sericea both are nouns.

Word	Noun	Adjective	Verb	Adverb
Salix alba sericea	Yes	No	No	No
Salix sericea	Yes	No	No	No

As nouns, Salix alba sericea and Salix sericea are synonyms defined as:

Salix alba sericea and Salix sericea: North American willow with greyish silky pubescent leaves that usually blacken in drying

Other synonyms of Salix alba sericea include silky willow, silver willow.

Salix alba sericea (noun)	Salix sericea (noun)
North American willow with greyish silky pubescent leaves that usually blacken in drying	North American willow with greyish silky pubescent leaves that usually blacken in drying