Ranunculus aquatilis var. diffusus   white water buttercup, water crowfoot
           (Alt: Ranunculus aquatilis var. capillaceus )
Ranunculaceae
native                      aquatic           
Distribution: Greenbelt

UW Burke Herbarium Link: Ranunculus aquatilis var. diffusus
USDA Plants Link: Ranunculus aquatilis var. diffusus   (RAAQ)
Flora of North America Link: Ranunculus aquatilis var. diffusus