Black Cottonwood, Downy Poplar, River Cottonwood, Swamp Cottonwood, Swamp Poplar (Populus heterophylla)

Three trees close together at Morton Arboretum in ne IL in late July 2016

by Rickwebb Jul 25, 2016 7:56 AM

the trunk of one tree at Morton Arboretum in Lisle, IL in late July 2016

by Rickwebb Jul 25, 2016 7:56 AM

focused on a leaf of some on a tree at Morton Arboretum in ne IL in late July 2016

by Rickwebb Jul 25, 2016 7:56 AM