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Erysiphe polygoni
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Family: Erysiphaceae
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            The New York Botanical Garden               The New York Botanical Garden          Katelyn Scheive      The New York Botanical Garden          Katelyn Scheive      The New York Botanical Garden          Katelyn Scheive     The New York Botanical Garden           Katelyn Scheive     The New York Botanical Garden           Katelyn Scheive     The New York Botanical Garden     |
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