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Powdery mildew on Physocarpus opulifolius 'Diabolo' (Common Ninebark 'Diablo') (3.91939)
Date: August 9 2005Type: Specimen
Description:A riker mount containing Powdery mildew on Physocarpus opulifolius 'Diabolo' (Common Ninebark 'Diablo').
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