| Alisma
subcordatum
Raf. = A. plantago-aquatica var. parviflorum (Pursh) Torrey lesser water-plantain, southern water-plantain Native |
                       
|
| Alisma
triviale
Pursh = A. plantago-aquatica var. americanum Schultes et Schultes larger water-plantain, northern water-plantain Native |
       
|