Lythraceae
Loosestrife Family
3 genera
6 species
6 species
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Ammannia coccinea – valley redstem
Distribution: Occurring west of the Cascades crest in Washington, where known only in King County for a restoration site; California east along Mexican border to central and eastern U.S.
Habitat: Restored wetland.
Origin: Introduced from the southern U.S.
Flowers: June-August
Growth Duration: Perennial
Distribution: Occurring west of the Cascades crest in Washington, where known only in King County for a restoration site; California east along Mexican border to central and eastern U.S.
Habitat: Restored wetland.
Origin: Introduced from the southern U.S.
Flowers: June-August
Growth Duration: Perennial
Ammannia robusta – western ammania, grand redstem
Distribution: Occurring east of the Cascades crest in Washington chiefly along the Columbia River; British Columbia to California, east to the Great Lakes region and midwestern U.S.
Habitat: Wet places, often where alkaline.
Origin: Native
Flowers: May-June
Growth Duration: Annual
Distribution: Occurring east of the Cascades crest in Washington chiefly along the Columbia River; British Columbia to California, east to the Great Lakes region and midwestern U.S.
Habitat: Wet places, often where alkaline.
Origin: Native
Flowers: May-June
Growth Duration: Annual
Lythrum hyssopifolia – hyssop loosestrife
Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia to California; also in northeastern North America.
Habitat: Moist, disturbed areas.
Origin: Introduced from Europe
Flowers: May-September
Growth Duration: Annual
Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia to California; also in northeastern North America.
Habitat: Moist, disturbed areas.
Origin: Introduced from Europe
Flowers: May-September
Growth Duration: Annual
Lythrum portula – spatula-leaf loosestrife
Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia to California.
Habitat: Wetlands, disturbed moist areas.
Origin: Introduced from Europe
Flowers: June-September
Growth Duration: Annual
Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia to California.
Habitat: Wetlands, disturbed moist areas.
Origin: Introduced from Europe
Flowers: June-September
Growth Duration: Annual
Lythrum salicaria – purple loosestrife, long purples
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic Coast.
Habitat: Noxious weed of standing water and wet ground.
Origin: Introduced from Europe
Flowers: July-September
Growth Duration: Perennial
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic Coast.
Habitat: Noxious weed of standing water and wet ground.
Origin: Introduced from Europe
Flowers: July-September
Growth Duration: Perennial
Rotala ramosior – lowland toothcup
Distribution: Occurrng east of the Cascades crest and in the Columbia River Gorge in Washington; British Columbia to California, east across most the the U.S., and in Ontario, to the Atlantic Coast.
Habitat: Wet places and muddy shores.
Origin: Native
Flowers: June-August
Growth Duration: Annual
Distribution: Occurrng east of the Cascades crest and in the Columbia River Gorge in Washington; British Columbia to California, east across most the the U.S., and in Ontario, to the Atlantic Coast.
Habitat: Wet places and muddy shores.
Origin: Native
Flowers: June-August
Growth Duration: Annual
