Ulmus spp. Elm Ulmaceae
| FIA distributions (576 counties) quartiles: | min | 1st | mean | median | 3rd | max | rank |
| Diameter, cm (2802 plots) | 0.3 | 4.2 | 14.1 | 9.1 | 20.8 | 92.2 | 66 |
| Growth Rate, cm2/yr (787 plots) | 0.3 | 6.1 | 19.9 | 13.0 | 25.2 | 422.6 | 46 |
| Annual Temperature, °C | 3.7 | 11.1 | 13.7 | 13.9 | 16.7 | 22.6 | 54 |
| January Temperature, °C | -11.2 | -1.1 | 2.5 | 2.6 | 6.4 | 16.7 | 56 |
| Precipitation, mm | 813 | 1080 | 1170 | 1170 | 1260 | 1610 | 52 |
| Potential Evapotranspiration, mm/month | 27.5 | 56.2 | 64.7 | 65.8 | 76.6 | 89.4 | 43 |
| Maximum Elevation, m | 5 | 121 | 374 | 276 | 487 | 2000 | 26 |
| Slope, percent | 0.9 | 3.4 | 11.6 | 9.1 | 14.6 | 51.0 | 54 |
| pH | 2.7 | 3.9 | 4.3 | 4.4 | 4.8 | 6.6 | 11 |
| Permeability, cm/hr | 0.3 | 1.3 | 2.9 | 2.0 | 4.0 | 11.0 | 58 |
| Organic Matter, percent | 0.8 | 1.4 | 3.2 | 2.1 | 3.5 | 34.5 | 40 |
| Clay, percent | 3.1 | 16.2 | 21.1 | 22.0 | 26.8 | 40.9 | 21 |
| Water-Holding Capacity, cm/cm | 3.6 | 5.6 | 6.5 | 6.5 | 7.1 | 11.4 | 8 |