| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Brassicaceae | Nasturtium floridanum | Florida Watercress | Spring runs, blackwater bottomlands. | Ne. FL and e. Panhandle FL south to s. FL; endemic to FL, but north to counties adjacent to se. GA |  |
| Brassicaceae | Nasturtium microphyllum | Narrow-fruited Watercress | Streams, springs. | Native of Europe. |  |
| Brassicaceae | Nasturtium officinale | Watercress | Streams, springs, seepages. | Native of Eurasia. |  |
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