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Birch - Wikipedia, the free encyclopedia (538 words) |
 | Birch is the name of any tree of the genus Betula, in the family Betulaceae, closely related to the beech/oak family, Fagaceae. |
 | Birch is used as a food plant by the larvae of a large number of Lepidoptera species, see List of Lepidoptera which feed on Birches. |
 | Birch tar, extracted from birch bark, was used as a lubricant and for medicinal purposes. |
| River Birch (656 words) |
 | River birch (Betula nigra) is a handsome tree native to the southeastern United States. |
 | The bark of a mature birch is ridged and deepens to dark brown. |
 | River birch is not susceptible to invasion by the bronze birch borer, a common problem with other birches in the south. |
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