Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to Oregon, east to Saskatchewan and Idaho.
Habitat: River shores, often where sandy.
Flowers: April-July
Origin: Introduced from Europe
Growth Duration: Annual
Conservation Status: Not of concern
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PNW Herbaria: Specimen records of Spergularia diandra in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Spergularia diandra checklist entry.
OregonFlora: Spergularia diandra information.
E-Flora BC: Spergularia diandra atlas page.
CalPhotos: Spergularia diandra photos.
USDA Plants: Spergularia diandra information.