We don't have synonyms for silver berry yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are silverberry.
(n) :
Alternative spelling of silverberry. [A plant in the genus Elaeagnus, of about 50-70 species of deciduous or evergreen shrubs or small trees with alternate leaves, primarily native to temperate and subtropical regions of Asia.]
(n) :
Alternative spelling of silverberry. [A plant in the genus Elaeagnus, of about 50-70 species of deciduous or evergreen shrubs or small trees with alternate leaves, primarily native to temperate and subtropical regions of Asia.]