water horehound

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Noun1.water horehound - aromatic perennial herb of United States
herb, herbaceous plant - a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests
genus Lycopus, Lycopus - small genus of herbs of the mint family
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References in periodicals archive ?
Lycopus americanus Muhl.; Common or American Water Horehound; Sedge meadow east of central mesic woods; Rare; C = 3; BSUH 13718.
These areas have some plants, such as Aselepias incarnata (swamp milkweed) and Lycopus rubellus (stalked water horehound) that do not seem to appear in other areas of the preserve.
American water horehound; infrequent; Farmer's Field and wet areas along east edge; BSUH 8181.