Osmorhiza longistylis (Torr.) DC.
Scented Sweet-cicely
Native
Middle Run Valley Natural Area
May 2001
White Clay Creek State Park -- Thompson Station Road
May 2004
Laurels Preserve (PA)
May 2010
White Clay Creek State Park -- Possum Hill
August 2011
White Clay Creek State Park -- Possum Hill
August 2011
Delaware Wildflowers
