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ophis: 1st year twig, poison sumac
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ophis: 1st year twig, poison sumac
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ophis: 1st year twig, poison sumac
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ophis: 1st year twig tipped with rounded peduncle scars, poison sumac
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ophis: 2.5, 4, and 7 mm diam 1st year twigs, poison sumac
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ophis: 2nd year twig with three 1st year shoots and peduncle base, poison sumac
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ophis: cut 3rd, 2nd, and 1st year twigs, poison sumac