Distribution: Occurring west of the Cascades crest in Washington; British Columbia to California, east to Nevada and Arizona; also in eastern North America.
Habitat: A weed of waste ground.
Flowers: June-September
Origin: Introduced from Eurasia
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Wind
[none provided]
PNW Herbaria: Specimen records of Rumex conglomeratus in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Rumex conglomeratus checklist entry
OregonFlora: Rumex conglomeratus information
E-Flora BC: Rumex conglomeratus atlas page
CalPhotos: Rumex conglomeratus photos