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ophis: acorn caps with appressed scales, pin oak
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ophis: cut 3rd year twig, pin oak
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ophis: acorns found in litter, pin oak
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ophis: 1st year twig, pin oak
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ophis: cut 1st, 2nd, and 3rd year twigs, pin oak
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ophis: young spur twigs, pin oak
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ophis: water-stained leaves in litter, pin oak
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ophis: upper trunk, pin oak
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ophis: adventive pin oak at marsh edge with bluejoint