Delaware Wildflowers
Eutrochium fistulosum
(Barratt) E.E. Lamont
Hollow-stem Joe-pye-weed
(
Eupatorium fistulosum
)
Asteraceae
— Aster family
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