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Vegetable dyes: Black oak bark
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Quercus velutina (Black Oak), bud, terminalSeptember 23 2009
Hedborn Jr., Edward A.
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Quercus velutina (Black Oak), bud, vegetativeSeptember 15 2007
Brown, Deborah J. G.
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Quercus velutina (Black Oak), bud, vegetativeSeptember 15 2007
Hedborn Jr., Edward A.
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Quercus velutina (Black Oak), bud, vegetativeSeptember 15 2007
Hedborn Jr., Edward A.
Photographic image
Quercus velutina (Black Oak), bud, vegetativeSeptember 15 2007
Hedborn Jr., Edward A.