Distribution of tree species (1982) (96 cities).
| Tree type | Currently planting | existing |
|---|---|---|
| ________% of cities_______ | ||
| Norway maple/cultivars | 74 | 83 |
| Flowering pear | 58 | 54 |
| Oak (red, pin) | 48 | 70 |
| Little-leaf linden | 27 | 37 |
| Silver maple | 1 | 48 |
| Sugar maple | 23 | 37 |
| Red maple | 1 | 37 |
| Honey locust | 18 | 34 |