6 species
2 subspecies and varieties
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Common name
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Spergularia bocconeiBocconi's sandspurry
Origin: Introduced
Spergularia canadensisCanada sandspurry
Distribution: Along the coast in Washington; Alaska south to California.
Habitat: Coastal tidelands and mudflats.
Origin: Native
Flowers: June-August
Growth Duration: annual
var. occidentalis – Canadian sandspurry
Spergularia diandraalkali sandspurry
Origin: Introduced from Europe
Flowers: April - July
Growth Duration: annual
Spergularia macrothecabeach sandspurry
Distribution: Along the coast in Washington; British Columbia south to Baja California.
Habitat: Along the sea shore, often in salt marshes and rock crevices in the splash zone.
Origin: Native
Flowers: June-September
Growth Duration: perennial
var. macrotheca – beach sandspurry
Spergularia rubrared sandspurry
Distribution: Occurring throughout Washington; introduced from Europe and common throughout North America.
Habitat: Weed of gardens, waste places, disturbed grasslands and forest openings.
Origin: Introduced from Europe
Flowers: April-October
Growth Duration: annual, perennial
Spergularia salinasaltmarsh sandspurry
Distribution: Both coastal and inland populations in Washington; Native and introduced throughout North America.
Habitat: Saline or brackish areas along the coast, and alkaline areas inland.
Origin: Introduced
Flowers: May-August
Growth Duration: annual, biennial, perennial