Mexican Dock, Narrow-leaved Dock, Willow Dock
Rumex salicifolius var. mexicanus
Synonyms: Rumex mexicanus, Rumex mexicanus var. angustifolius, Rumex mexicanus var. subarcticus, Rumex quadrangulivalvis, Rumex salicifolius ssp. triangulivalvis, Rumex salicifolius var. triangulivalvis, Rumex subarcticus, Rumex triangulivalvis, Rumex triangulivalvis var. oreolapathum

Close-up of the inflorescence of mexican dock as seen along Catherine Creek, Columbia River Gorge.................June 26, 2010.
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Additional close-up views of mexican dock as seen along Catherine Creek, Columbia River Gorge.................June 26, 2010. Note the long, narrow leaves with margins that are wavy or crisped.
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Close-up photos of the leaves and inflorescence (in bud) of mexican dock as seen along the Klickitat Trail in upper Swale Canyon, Klickitat County, WA...............May 8, 2010.
Paul Slichter