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Betula pumila (Bog Birch), fruit, immature, leaf, summerOctober 26 2002
Hedborn Jr., Edward A.
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Betula pumila (Bog Birch), leaf, lower surfaceOctober 22 2011
Hedborn Jr., Edward A.
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Betula pumila (Bog Birch), leaf, upper surfaceOctober 22 2011
Hedborn Jr., Edward A.
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Betula pumila (Bog Birch), leaf, upper surface, bud, lateralOctober 22 2011
Hedborn Jr., Edward A.