[Wood-sorrels: The Genus Oxalis in the Columbia River Gorge of Oregon and Washington]
Oregon Wood Sorrel, Oregon Wood-sorrel, Redwood Sorrel, Redwood-sorrel, Sour Grass, Western Wood-sorrel
Oxalis oregana
Synonyms: Oxalis acetosella ssp. oregana, Oxalis oregana var. oregana, Oxalis oregana var. smallii
Oregon wood sorrel as seen along the Latourell Falls Loop Trail, Guy W. Talbot State Park, Columbia River Gorge..........April 11, 2014.
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Close-ups of the flowers and leaves of Oregon wood sorrel as seen along the Angels Rest Trail in the Columbia River Gorge........May 18, 2009.
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Close-ups of the flowers and leaves of Oregon wood sorrel as seen along the Angels Rest Trail in the Columbia River Gorge........May 18, 2009.
Paul Slichter