| Lycopus
americanus
Muhl. ex W.Barton American bugleweed, American water horehound Native |
                                
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| Lycopus
amplectens
Raf. pondshore water horehound, sessile-leaved water horehound Watch-Listed |
                                
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| Lycopus
europaeus
L. European water horehound Introduced |
|
| Lycopus
rubellus
Moench stalked water horehound, swamp water horehound Endangered |
                            
|
| Lycopus
uniflorus
Michaux tuberous water horehound, northern water horehound Native |
                                                     
|
| Lycopus
virginicus
L. Virginia water horehound, floodplain water horehound Native |
                                    
|