Lycopus
bugleweed, water-horehound
4 species
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Lycopus americanuscut-leaf water-horehound
Distribution: Both sides of the Cascades in Washington; throughout most of North America.
Habitat: Nonalkaline wetland, riparian, pond and lakeshore sites at low to moderate elevations.
Origin: Native
Flowers: June-August
Lycopus asperrough water-horehound
Distribution: Chiefly east of the Cascades; southern British Columbia to California, east to Colorado and Minnisota.
Habitat: Marshes and shores of streams and lakes; tolerant of alkali.
Origin: Native
Flowers: June-August
Lycopus europaeusEuropean water-horehound
Origin: Introduced from Europe
Lycopus uniflorusnorthern bugleweed
Distribution: Both sides of the Cascades in Washington; Alaska to Newfoundland, south to northwest California and North Carolina.
Habitat: Stream banks, marshes and peat bogs, mostly in the mountains, but descending to sea level west of the Cascades.
Origin: Native
Flowers: July-September