Checklist » Lamiaceae » Lycopus europaeus
Last updated 11/6/2016 by Ben Legler.
Lycopus europaeus L.[HC2]
European water-horehound

Origin: Introduced from Europe

selected vouchers: WTU

Notes: Well established in the Puget Trough, where first collected in Seattle in 1935. Also known from northeast Washington (Stevens County), southwest and south-central British Columbia, the lower Columbia River of Oregon, and eastern North America. Previously confused with Lycopus americanus; L. europaeus has longer calyces (2.7-4 mm) with longer teeth (1.6-2.5 mm), and more conspicuously pubescent lower leaf surfaces especially along the veins.

References: (none)

Synonyms & Misapplied Names:
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