2 species
3 subspecies and varieties
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Urtica dioicastinging nettle
Distribution: Widely distributed on both sides of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic Coast.
Habitat: In deep, rich soil or near moisture, sagebrush deserts, shady lowlands and mountain slopes, sea level to subalpine.
Origin: Both native and introduced from Eurasia
Flowers: May-September
Growth Duration: Perennial
ssp. dioica – stinging nettle
ssp. gracilis – stinging nettle
ssp. holosericea – stinging nettle
Urtica urensburning nettle
Distribution: Introduced sparsely in western Washington; distributed throughout much of North America except parts of the Midwest and Intermountain West.
Habitat: Moist, disturbed soil.
Origin: Introduced from Europe
Flowers: June-July
Growth Duration: Annual