Salix viminalis vs common osier

Salix viminalis and common osier both are nouns.

Word	Noun	Adjective	Verb	Adverb
Salix viminalis	Yes	No	No	No
common osier	Yes	No	No	No

As nouns, Salix viminalis and common osier are synonyms defined as:

Salix viminalis and common osier: willow with long flexible twigs used in basketry

Other synonyms of Salix viminalis include hemp willow, velvet osier.

Salix viminalis (noun)	common osier (noun)
willow with long flexible twigs used in basketry	willow with long flexible twigs used in basketry