Picture of a Poplar Tree shedding seeds attached to cotton like tufts
Picture of a Hybrid Black Poplar tree (Populus × canadensis), shedding seed attached to cotton like tufts, hence the name Cottonwood trees for some species.
Tree leaf identification shows that this plant is a Hybrid Black Poplar (Populus × canadensis) tree.
Photo by; George Chernilevsky. Photo usage; Non Copyright, or public domain.