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Galled, curled leaves of coast live oak infected with oak leaf blister.

Galled, curled leaves with brown pits on under surface of coast live oak, Quercus agrifolia, from oak leaf blister, Taphrina caerulescens (Hemiascomycetes). Berkeley, Alameda Co. by JKC. Credit: Jack Kelly Clark, UC IPM — Credit: Jack Kelly Clark, UC IPM

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