Ludwigia peploides ssp. peploides   floating primrose-willow
           
Onagraceae
invasive                      herbaceous           
Distribution: Greenbelt
Bloom: AUG - OCT

UW Burke Herbarium Link: Ludwigia peploides ssp. peploides
USDA Plants Link: Ludwigia peploides ssp. peploides   (LUPEP2)