St. Lawrence waterhorehound (Lycopus laurentianus)

Same genus

• American water horehound (Lycopus americanus)
• Clasping water horehound (Lycopus amplectens)
• Rough bugleweed (Lycopus asper)
• Carolina water horehound (Lycopus cokeri)
• Taperleaf water horehound (Lycopus rubellus)
• Northern bugleweed (Lycopus uniflorus)
• Virginia Water Horehound (Lycopus virginicus)
• Gipsywort (Lycopus europaeus)