| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Alismataceae | Sagittaria latifolia var. latifolia | Common Arrowhead, Broadleaf Arrowhead | Marshes, swamps, farm ponds, ditches, bogs. | NS west to BC, south to tropical America (rare in the Appalachian region). |  |
| Alismataceae | Sagittaria latifolia var. pubescens | Common Arrowhead, Broadleaf Arrowhead | Bogs, marshes. | C. PA, OH, and TN, south to n. FL and e. LA, centered in the Appalachians. |  |