Nasturtium officinale R. Brown
Watercress
(Nasturtium)
(Rorippa nasturtium-aquaticum)
Non-native

White Clay Creek State Park -- Thompson Station Road
May 2004

White Clay Creek State Park -- Possum Hill
May 2014

White Clay Creek State Park -- Possum Hill
May 2014

White Clay Creek State Park -- Possum Hill
June 2014