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Eutrochium fistulosum (Barratt) E.E. Lamont
Hollow-stem Joe-pye-weed

(Eupatorium fistulosum)
Asteraceae — Aster family
Native

Eutrochium fistulosum
Bellevue State Park
August 2001
Eutrochium fistulosum
Paper Mill Road
August 2009
Eutrochium fistulosum
Middle Run Valley Natural Area
May 2012
Eutrochium fistulosum
White Clay Creek State Park -- Thompson Station Road
June 2020