Ulmaceae
| Name | Height | Leaf | Fruit | Region |
| White Elm Ulmus americana |
60' - 80', can be 125' | toothed, 4.5" by 2" - 3" | oval, winged, .35" | Deciduous, Great Lakes - St. Lawrence, Acadian, extending into Boreal |
| Rock Elm Ulmus thomasii |
50' - 70' | toothed, 3.5" by 2" | oval, winged, .33" | Deciduous, central Great Lakes - St. Lawrence |
| Slippery Elm Ulmus rubra |
70' | toothed, fragrant, 5.5" | almost circular, notched wing, .5" across | Deciduous, southern Great Lakes - St. Lawrence |
| Hackberry Celtis occidentalis |
60' | single, alternate in two rows, toothed, 2" - 6" by 1.5" - 3.5" | reddish-purple, like cherry, .5" | Deciduous, part of Great Lakes - St. Lawrence, small area south of Lake Manitoba |
