Part of the "poplar" genus Populus.  If the mid-vein=narrow and buds=slightly-hairy (rather than mid-vein=wide and buds=sticky), some sources call this the subspecies plains cottonwood Populus deltoides monilifera or Populus deltoides occidentalis or Populus sargentii.

Native to 🇨🇦 Canada and 🇺🇸 USA Great Plains, Midwest, East and South.

Can form a hybrid with balsam poplar Populus balsamifera (also part of the "poplar" genus Populus), forming balm of Gilead Populus gileadensis .  It occurs occasionally in nature.

Uses by native peoples
(Ethnobotany database)

Learn more about eastern cottonwood Populus deltoides

Discover Life Encyclopedia of Life Google Google images Michigan Flora USDA PLANTS db USFS Wikipedia