Trembling aspen (Populus tremuloides)

https://treecanada.ca/resources/trees-of-canada/trembling-aspen-populus-tremuloides/

Simon poplar (Populus simonii)

https://treecanada.ca/resources/trees-of-canada/simon-poplar-populus-simonii/

Plains cottonwood (Populus deltoides ssp. monilifera)

https://treecanada.ca/resources/trees-of-canada/plains-cottonwood-populus-deltoides-ssp-monilifera/

Narrowleaf cottonwood (Populus angustifolia)

https://treecanada.ca/resources/trees-of-canada/narrowleaf-cottonwood-populus-angustifolia/

Lombardy poplar (Populus nigra cv. Italica)

https://treecanada.ca/resources/trees-of-canada/lombardy-poplar-populus-nigra-cv-italica/

Largetooth aspen (Populus grandidentata)

https://treecanada.ca/resources/trees-of-canada/largetooth-aspen-populus-grandidentata/