5 species
1 subspecies and varieties
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Verbascum blattariamoth mullein
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to the Atlantic Coast.
Habitat: Roadsides, fields, ditches, meadows, wastelots, and other disturbed open areas, often where dry.
Origin: Introduced from Eurasia
Flowers: May-September
Growth Duration: biennial
Verbascum bombyciferum
Origin: Introduced
Verbascum densiflorum
Origin: Introduced
Verbascum thapsusflannel mullein, great mullein
Distribution: Distributed widely throughout Washington; widely distributed throughout North America.
Habitat: Common on open, disturbed ground, roadsides and logged areas in the mountains.
Origin: Introduced from Eurasia
Flowers: June-September
Growth Duration: biennial
Verbascum virgatumwand mullein
Distribution: Lowland western Washington; Washington south to California, east across the southern U.S. and in eastern North America.
Habitat: Open disturbed areas at low elevations.
Origin: Introduced
Flowers: June-August
Growth Duration: annual, biennial