Eutrochium fistulosum (USA)

Eutrochium fistulosum (Barratt) E.E.Lamont, 901 2004. (syn: Eupatoriadelphus fistulosus (J. Barratt) R. King & H. Rob.; Eupatorium fistulosum J. Barratt (ambiguous synonym); Eupatorium purpureum var. angustifolium Torr. & A. Gray);  

USA (Alabama, Arkansas, Connecticut, Delaware, Florida, Georgia, Illinois, Indiana, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Mississippi, Missouri, New Hampshire, New Jersey, New York, North Carolina, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, Tennessee, Texas, Virginia, West Virginia) as per Catalogue of Life;


https://08511630493324166816.googlegroups.com/attach/85e52c44ee4fb/IMG_20170705_163110261_HDR.jpg?part=0.1&view=1&vt=ANaJVrEVy0qRW6GPodjGa-oMBUCvRrEpdqLx5cibqcDPRXOE00iDcqzgafm-4fV00aUc8G48kmnGKavqMovhj6t6EgEBJQE0mpdeaUP6bvVvSzsdnR4yX-8
 
Plants For ID : New Jersey,US : 26SEP17 : AK-19 : 3 posts by 2 authors. Attachments (3)
Tall plants, approx 5-7 feet in height seen at the Earth Centre in New Jersey during first week of July. 
It may be Eutrochium fistulosum aka Joe Pye Weed or similar. 
Thanks for suggesting the id.
I will check further.

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