''Nasturtium floridanum'', common names Florida yellowcress and Florida watercress, is an aquatic plant species

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

Florida Florida ( ; ) is a U.S. state, state in the Southeastern United States, Southeastern region of the United States. It borders the Gulf of Mexico to the west, Alabama to the northwest, Georgia (U.S. state), Georgia to the north, the Atlantic ...

, though widely distributed within that state. It is found in wet places at elevations less than 50 m.Flora of North America v 7 p 492, ''Nasturtium floridanum''
/ref> ''Nasturtium floridanum'' can be distinguished from the more common '' N. officinale'' by its much smaller seeds, less than 2 mm across. Chapman, Alvan (Alvin) Wentworth. 1887. Flora of the Southern United States (ed. 2) 605, ''Cardamine curvisiliqua''
/ref>

References

photo of herbarium specimen at Missouri Botanical Garden, serving as isolectotpe of ''Cardamine curvisiliqua'' and ''Nasturtium floridanum''
{{Taxonbar, from=Q15547708 floridanum Freshwater plants Herbs Leaf vegetables Medicinal plants Perennial vegetables Flora of Florida Plants described in 1988 Plants described in 1887