Distinct Values for
OMERNIK LEVEL III ECOREGION (ECOREGION)
| Value | Number of Accessions |
| 8.3.3 Interior Plateau | 2 |
| 8.3.4 Piedmont | 7 |
| 8.3.5 Southeastern Plains | 32 |
| 8.3.6 Mississippi Valley Loess Plains | 6 |
| 8.4.1 Ridge and Valley | 3 |
| 8.4.4 Blue Ridge | 1 |
| 8.4.9 Southwestern Appalachians | 10 |
| 8.5.2 Mississippi Alluvial Plain | 1 |
| 8.5.3 Southern Coastal Plain | 1 |