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ophis: old western catalpa
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ophis: young western catalpa and old hemlock
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ophis: chopped western catalpa with 1st year suckers
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ophis: 1st and 2nd year twigs, western catalpa
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ophis: 1st year twig, western catalpa
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ophis: cut twigs, western catalpa
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ophis: panicle with split pod sampled from leaf litter, western catalpa
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ophis: seeds found in split pods in leaf litter, western catalpa
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ophis: papery seeds conceal two flat-elliptic cotyledons joined at middle