Distribution: Occurring west of the Cascades crest along the coast in Washington; Alaska to California; also in central Canada and northeastern North America.
Habitat: Coastal tidelands and mudflats.
Flowers: June-August
Origin: Native
Growth Duration: Annual
Conservation Status: Not of concern
Pollination: Self-pollination, bees, flies
Glabrous or glandular-pubescent annual, the stems several, erect or ascending, up to 2.5 dm. long and about 1 mm. thick.
Leaves opposite, not fascicled, up to 4.5 cm. long and 1-1.5 mm. broad, blunt to acute; stipules scarious, 1.5-3 mm. long and broad.
Flowers in open, leafy, terminal cymes; sepals 5, distinct, glabrous to glandular-pubescent, 3-4.5 mm. long; petals 5, white or pink, nearly equalling the sepals; stamens 2-5; styles 3, 0.3-0.4 mm. long.
Capsule dehiscent by 3 valves, longer than the calyx
Publication: Gen. Hist. 1: 426. 1831.
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var. occidentalis – Canadian sandspurry
Occurring west of the Cascades crest along the coast in Washington; Alaska to California.
PNW Herbaria: Specimen records of Spergularia canadensis in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Spergularia canadensis checklist entry
OregonFlora: Spergularia canadensis information
E-Flora BC: Spergularia canadensis atlas page
CalPhotos: Spergularia canadensis photos
