| State/Soil | Surface texture | Soil series | Taxonomic description |
| Arkansas (AR) |
|
|
|
| AR-L | Loam (L) | Roxana | Udifluvents |
| AR-SiL | Silt loam (SiL) | Calloway | Fraglossudalfs |
| Missouri (MO) |
|
|
|
| MO-SiL 1 | Silt loam (SiL) | Creldon | Fragiudalfs |
| MO-SiL 2 | Silt loam (SiL) | Dapue | Hapludolls |
| Nebraska (NE) |
|
|
|
| NE-SiL | Silt loam (SiL) | Yutan | Hapludalfs |
| NE-SL | Sandy loam (SL) | Olmitz | Hapludolls |