Eutrochium fistulosum (Barratt) E.E. Lamont
(Eupatorium fistulosum)
Hollow-stem Joe-pye-weed
Native
Bellevue State Park
August 2001
Paper Mill Road
August 2009
Middle Run Valley Natural Area
May 2012
White Clay Creek State Park -- Thompson Station Road
June 2020
Delaware Wildflowers
