Distribution: Endemic to the Cascades Range of Washington and central Washington.
Habitat: Open, gravelly soils.
Flowers: June-August
Origin: Native
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Rumex salicifolius var. angustivalvis in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Rumex salicifolius var. angustivalvis checklist entry
OregonFlora: Rumex salicifolius var. angustivalvis information
E-Flora BC: Rumex salicifolius var. angustivalvis atlas page
CalPhotos: Rumex salicifolius var. angustivalvis photos