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Photo by Brice McPherson

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Marin County UCCE

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Marin County UCCE

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Marin County UCCE

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Phytophthora sp. canker on coast live oak
Marin County UCCE

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Phytophthora sp. chlamydospores
Marin County UCCE

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Rhododendron leaves infected with Phytophthora sp.
Marin County UCCE