Fraxinus nigra Black Ash Oleaceae
| FIA distributions (305 counties) quartiles: | min | 1st | mean | median | 3rd | max | rank |
| Diameter, cm (5297 plots) | 0.3 | 7.2 | 15.0 | 13.8 | 20.6 | 94.0 | 46 |
| Growth Rate, cm2/yr (1421 plots) | 0.3 | 3.5 | 8.0 | 6.3 | 10.5 | 83.2 | 71 |
| Annual Temperature, °C | 2.0 | 4.8 | 6.6 | 6.5 | 8.1 | 13.6 | 77 |
| January Temperature, °C | -18.5 | -11.4 | -8.5 | -7.9 | -5.5 | 1.1 | 76 |
| Precipitation, mm | 414 | 760 | 858 | 817 | 960 | 1300 | 77 |
| Potential Evapotranspiration, mm/month | 17.9 | 40.9 | 46.4 | 46.7 | 51.9 | 75.0 | 72 |
| Maximum Elevation, m | 170 | 322 | 465 | 396 | 518 | 1860 | 14 |
| Slope, percent | 0.0 | 3.6 | 7.5 | 5.7 | 9.2 | 37.7 | 65 |
| pH | 3.2 | 4.6 | 5.5 | 5.7 | 6.5 | 7.9 | 4 |
| Permeability, cm/hr | 0.2 | 1.8 | 4.0 | 3.6 | 5.2 | 13.3 | 10 |
| Organic Matter, percent | 1.7 | 4.1 | 8.0 | 6.3 | 10.2 | 35.1 | 4 |
| Clay, percent | 3.3 | 8.4 | 15.5 | 13.4 2 | 0.7 | 47.3 | 76 |
| Water-Holding Capacity, cm/cm | 3.9 | 6.4 | 7.8 | 7.6 | 9.2 | 16.1 | 34 |