Genera of 488 trees observed in Guelph, ON, categorized by xylem class, land ownership, and TSS presence.
| Species | Public land | Private land | TSS | No TSS |
|---|---|---|---|---|
| Diffuse-porous | ||||
| Acer (n = 140) | 69 | 71 | 62 | 78 |
| Betula (n = 22) | 22 | 0 | 16 | 6 |
| Carpinus (n = 9) | 9 | 0 | 9 | 0 |
| Cercidiphyllum (n = 3) | 2 | 1 | 3 | 0 |
| Malus (n = 1) | 0 | 1 | 1 | 0 |
| Platanus (n = 7) | 6 | 1 | 1 | 6 |
| Pyrus (n = 11) | 0 | 11 | 0 | 11 |
| Syringa (n = 27) | 0 | 27 | 15 | 12 |
| Ring-porous | ||||
| Celtis (n = 18) | 5 | 13 | 7 | 11 |
| Fraxinus (n = 43) | 11 | 32 | 33 | 10 |
| Gleditsia (n = 13) | 0 | 13 | 7 | 6 |
| Larix (n = 4) | 4 | 0 | 3 | 1 |
| Prunus (n = 19) | 7 | 12 | 9 | 10 |
| Quercus (n = 39) | 30 | 9 | 32 | 7 |
| Tsuga (n = 1) | 1 | 0 | 1 | 0 |
| Coniferous/other | ||||
| Abies (n = 13) | 13 | 0 | 13 | 0 |
| Amelanchier (n = 29) | 22 | 7 | 16 | 13 |
| Ginkgo (n = 19) | 6 | 13 | 12 | 7 |
| Picea (n = 28) | 16 | 12 | 23 | 5 |
| Pinus (n = 22) | 15 | 7 | 11 | 11 |
| Tilia (n = 20) | 9 | 11 | 17 | 3 |