Definition that contains red ash
- fraxinus latifolia timber tree of western North America yielding hard light wood; closely related to the red ash
- oregon ash timber tree of western North America yielding hard light wood; closely related to the red ash
- fraxinus oregona timber tree of western North America yielding hard light wood; closely related to the red ash
- fraxinus pennsylvanica subintegerrima a variety of red ash having glossy branchlets and lower leaf surfaces
- green ash a variety of red ash having glossy branchlets and lower leaf surfaces