espringer
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pignut hickory

The pignut bark may look almost shiny when young -- the outer layer has a bit of a sheen, and is only a bit broken up by vertical lines of strain. New bark layers seem to build up under the protect...

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An elder black birch

Black birch (betula lenta) is the bark that changes the most as the tree ages. The diameter of this trunk is almost two feet: Only one patch of bark, on the lower portion of trunk, hints at the ...

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chestnut oak

I've had my eye out for this species since noticing it in Wojtech's book. The clean lines around the vertical scar here interrupt the otherwise chunky blocks that mark the mature tree. Update: Ret...

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Black birch

Young bark on the black birch (betula lenta) looks like the patch at right (almost smooth with horizontal lenticel marks), and mature bark has many rough areas as at left, but mid-sized trees often...

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A diseased beech?

This bark, examined by itself (at left), does not look much like a beech. But the roots, and the sprouts growing out of the roots, do. (Note the pale leaf clinging to the young branch in center.) T...

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