| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Alismataceae | Echinodorus berteroi | Tall Burhead, Upright Burhead | Ponds, marshes, ditches, typically in seasonally flooded situations. | OH, IL, and ND south to e. Panhandle FL, s. FL, sw. GA, and TX, south through Mexico; West Indies; South America. Reported for s. FL (Lange, Bradley, & Sadle [in prep.]). |  |
| Alismataceae | Echinodorus cordifolius | Creeping Burhead | Swamps, ditches, wet thickets, especially on base-rich substrates, such as over calcareous or mafic rocks. | MD south to c. peninsular FL, west to TX, south into Mexico (CAM, SLP, TAM, VER, YUC), South America, West Indies), and north in the interior (primarily in the Mississippi Embayment) to s. IL. |  |
| Alismataceae | Echinodorus grandiflorus | Large Burhead | Swamps. | Native of South America. |  |