United States: Dolus Hill (Early Eocene)

See also Populus, Populus balsamifera, Populus balsamoides, Populus ciliata, Populus deltoides, Populus grandidentata, Populus nigra, Populus sieboldii, Populus sp., Populus spp., Populus tremula, Populus tremuloides, Populus trichocarpa, Populus wyomingiana