Ulmus rubra Slippery Elm Ulmaceae
| FIA distributions (1076 counties) quartiles: | min | 1st | mean | median | 3rd | max | rank |
| Diameter, cm (5350 plots) | 0.3 | 4.3 | 14.7 | 10.4 | 22.0 | 115.8 | 63 |
| Growth Rate, cm2/yr (1055 plots) | 0.1 | 9.0 | 19.9 | 15.6 | 25.8 | 219.6 | 35 |
| Annual Temperature, °C | 1.9 | 9.0 | 11.4 | 11.4 | 13.6 | 20.1 | 56 |
| January Temperature, °C | -17.7 | -5.6 | -2.3 | -2.3 | 0.7 | 11.1 | 54 |
| Precipitation, mm | 424 | 882 | 1040 | 1020 | 1200 | 1630 | 59 |
| Potential Evapotranspiration, mm/month | 24.5 | 52.5 | 63.6 | 63.4 | 73.5 | 122.0 | 51 |
| Maximum Elevation, m | 3 | 244 | 372 | 335 | 434 | 1980 | 30 |
| Slope, percent | 0.0 | 3.9 | 10.0 | 7.1 | 13.5 | 49.8 | 47 |
| pH | 2.1 | 4.2 | 5.1 | 5.1 | 6.0 | 7.9 | 21 |
| Permeability, cm/hr | 0.2 | 1.0 | 1.9 | 1.4 | 2.2 | 10.8 | 64 |
| Organic Matter, percent | 0.9 | 1.8 | 3.5 | 2.4 | 3.4 | 26.0 | 27 |
| Clay, percent | 4.1 | 19.8 | 24.4 | 25.1 | 29.2 | 53.1 | 17 |
| Water-Holding Capacity, cm/cm | 3.4 | 6.5 | 8.1 | 8.2 | 9.8 | 13.7 | 16 |