Oxalis dillenii   Dillen's wood-sorrel
           (Alt: Oxalis stricta (misapplied) )
Oxalidaceae
non-native                      herbaceous           
Distribution: Greenbelt

UW Burke Herbarium Link: Oxalis dillenii
USDA Plants Link: Oxalis dillenii   (OXDI2)
Flora of North America Link: Oxalis dillenii