Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east to Alberta, Montana, and Wyoming, scattered eastward to the eastern U.S.
Habitat: Dune swales, marshes, shores, fens, and ditches.
Flowers: May-July
Origin: Introduced from Eurasia
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Wind
[none provided]
PNW Herbaria: Specimen records of Rumex stenophyllus in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Rumex stenophyllus checklist entry
OregonFlora: Rumex stenophyllus information
E-Flora BC: Rumex stenophyllus atlas page
CalPhotos: Rumex stenophyllus photos