WHAT FLORIDA NATIVE PLANT IS BLOOMING TODAY?: SMALLFRUIT PRIMROSEWILLOW (Ludwigia microcarpa)
With the small non-descript flowers, it is easily overlooked. Likes it wet. Grows as a ground cover in the pond margins.
Native American Ethnobotany for this genus: http://herb.umd.umich.edu/herb/search.pl?searchstring=Ludwigia
Where does it grow in Florida? http://www.florida.plantatlas.usf.edu/Plant.aspx?id=3235