Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia to California.
Habitat: Wetlands, disturbed moist areas.
Flowers: June-September
Origin: Introduced from Europe
Growth Duration: Annual
Conservation Status: Not of concern
Pollination: Bumblebees, bees, butterflies
[none provided]
PNW Herbaria: Specimen records of Lythrum portula in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Lythrum portula checklist entry
OregonFlora: Lythrum portula information
E-Flora BC: Lythrum portula atlas page
CalPhotos: Lythrum portula photos