Lythrum
loosestrife
3 species
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Lythrum hyssopifoliahyssop loosestrife
Distribution: Scattered locations on both sides of the Cascades in Washington; British Columbia south to California; eastern North America.
Habitat: Moist, disturbed areas.
Origin: Introduced
Flowers: May-September
Lythrum portulaspatula-leaf loosestrife
Distribution: Chiefly west of the Cascades in Washington; British Columbia south to California.
Habitat: Wetlands, disturbed moist areas.
Origin: Introduced
Flowers: June-September
Lythrum salicariapurple loosestrife, long purples
Distribution: Widely distributed throughout Washington; widely distributed throughout North America.
Habitat: Noxious weed of standing water and wet ground.
Origin: Introduced from Europe
Flowers: July-September