Nyssa sylvatica var. biflora Swamp Tupelo Cornaceae
| FIA distributions (387 counties) quartiles: | min | 1st | mean | median | 3rd | max | rank |
| Diameter, cm (5038 plots) | 0.3 | 5.7 | 18.6 | 15.6 | 28.2 | 116.3 | 51 |
| Growth Rate, cm2/yr (2479 plots) | 0.0 | 3.6 | 11.3 | 7.6 | 14.2 | 378.2 | 67 |
| Annual Temperature, °C | 4.8 | 15.4 | 16.9 | 17.3 | 18.7 | 22.6 | 8 |
| January Temperature, °C | -5.0 | 4.7 | 6.9 | 7.4 | 9.4 | 16.7 | 8 |
| Precipitation, mm | 940 | 1160 | 1270 | 1250 | 1350 | 1630 | 18 |
| Potential Evapotranspiration, mm/month | 24.0 | 67.4 | 73.6 | 75.5 | 81.0 | 89.4 | 10 |
| Maximum Elevation, m | 5 | 53 | 149 | 114 | 190 | 1980 | 74 |
| Slope, percent | 0.5 | 1.7 | 5.1 | 3.0 | 7.9 | 31.8 | 73 |
| pH | 2.5 | 4.4 | 4.6 | 4.7 | 4.9 | 6.5 | 41 |
| Permeability, cm/hr | 0.4 | 1.8 | 4.1 | 3.9 | 5.3 | 11.0 | 7 |
| Organic Matter, percent | 0.8 | 1.5 | 3.6 | 1.9 | 4.0 | 46.2 | 61 |
| Clay, percent | 3.1 | 17.4 | 21.1 | 21.8 | 26.1 | 44.2 | 62 |
| Water-Holding Capacity, cm/cm | 3.6 | 6.0 | 6.9 | 6.7 | 7.5 | 12.0 | 66 |