- Russian olive, silver berry, Elaeagnus augustifolia - deciduous shrubby tree of Europe and western Asia having gray leaves and small yellow fruits covered in silvery scales; sometimes spiny
--1 is a kind of oleaster
- silverberry, silver berry, silverbush, silver-bush, Elaeagnus commutata - deciduous unarmed North American shrub with silvery leaves and fruits
--2 is a kind of oleaster