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.
- 
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.
- 
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.

Mexican dock as seen in one of the vernal ponds at the Four Sisters, Columbia Land Trust property near Chenoweth, Oregon..........May 3, 2013.
- 
Mexican dock as seen in vernally moist, private meadows at Panakanic in western Klickitat County...........June 17, 2015.
Paul Slichter