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Douglas's spiraea, hardhack steeplebush
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to Montana and Colorado.
Habitat: Swamps, lake margins and damp meadows, from sea level to the subalpine.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
– Douglas's spiraea
– Menzies's spiraea