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BRACKEN FERN - Pteridium aquilinum |
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http://cal.vet.upenn.edu/poison/plants/ |
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Distinguishing features |
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Native perennial herb with black horizontal rhizomes deep in the soil (often below plow depth), by means of which it spreads and forms large patches; leaves 3-4 feet tall in good sites; leaf stalk forks into three main parts, producing a triangular, bipinnately pinnatifid blade; spores produced in late summer in sporangia protected by the rolled-under edges of the blade. |
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TOXICITY - high |
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CLINICAL SIGNS - rapid, labored breathing frothing at mouth |
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