| Elaeagnus angustifolia | 
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| Scientific classification | 
| Kingdom: | Plantae | 
 
| Clade: | Tracheophytes | 
 
| Clade: | Angiosperms | 
 
| Clade: | Eudicots | 
 
| Clade: | Rosids | 
 
| Order: | Rosales | 
 
| Family: | Elaeagnaceae | 
 
| Genus: | Elaeagnus | 
| Species: | E. angustifolia | 
| Binomial name | 
| Elaeagnus angustifolia 
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| Synonyms | 
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 Elaeagnus argentea  Moench (1794)
 Elaeagnus caspica  (Sosn.) Grossh. (1949)
 Elaeagnus dactyliformis  Schltdl. (1857)
 Elaeagnus erivanensis  Fisch. ex Schltdl. (1857)
 Elaeagnus hortensis  M.Bieb. (1808)
 Elaeagnus igda  (Servett.) Tzvelev (2002)
 Elaeagnus iliensis  (Musch.) Musch. (1966)
 Elaeagnus incana  Lam. (1779)
 Elaeagnus inermis  Mill. (1756)
 Elaeagnus litoralis  (Servett.) Kozlowsk. (1958)
 Elaeagnus moorcroftii  Wall. ex Schltdl. (1860)
 Elaeagnus orientalis  L. (1767)
 Elaeagnus oxycarpa  Schltdl. (1860)
 Elaeagnus songarica  (Bernh. ex Schltdl.) Schltdl. (1860)
 Elaeagnus spinosa  L. (1756)
 Elaeagnus tifliensis  Vis. (1842)
 Elaeagnus tomentosa  Moench (1794)
 Elaeagnus turcomanica  Kozlowsk. (1954)
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Elaeagnus angustifolia, commonly called Russian olive, silver berry, oleaster, or wild olive, is a species of Elaeagnus, native to Asia and limited areas of eastern Europe. It is widely established in North America as an introduced species.