White ash (Fraxinus americana)

https://treecanada.ca/resources/trees-of-canada/white-ash-fraxinus-americana/

Red ash (Fraxinus pennsylvanica)

https://treecanada.ca/resources/trees-of-canada/red-ash-fraxinus-pennsylvanica/

Pumpkin ash (Fraxinus profunda)

https://treecanada.ca/resources/trees-of-canada/pumpkin-ash-fraxinus-profunda/

Oregon ash (Fraxinus latifolia)

https://treecanada.ca/resources/trees-of-canada/oregon-ash-fraxinus-latifolia/

Northern red ash (Fraxinus pennsylvanica var. austini)

https://treecanada.ca/resources/trees-of-canada/northern-red-ash-fraxinus-pennsylvanica-var-austini/

Green ash (Fraxinus pennsylvanica var. subintegerrima)

https://treecanada.ca/resources/trees-of-canada/green-ash-fraxinus-pennsylvanica-var-subintegerrima/