Poison Oak (Rhus diversiloba)
(click on any image for a larger view)
Spring, Summit Loop Trail, San Bruno Mountain County Park
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Summer, Meadows Canyon Trail, Tilden Regional Park
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Autumn, Crystal Springs Trail
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Summer, Hidden Spring Trail, Santa Teresa County Park
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Summer, Zinfandel Trail, Picchetti Ranch Area, Monte Bello Open Space Preserve
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Autumn, North Ridge Trail, Purisima Creek Redwoods Open Space Preserve
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Autumn, Valley View Trail, San Pedro Valley Park
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Winter, Edgewood Park and Preserve
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