Iowa Level 4 Ecoregions Map
| er40a - Loess Flats and Till Plains |
| er46n - James River Lowland |
| er47a - Loess Prairies |
| er47b - Des Moines Lobe |
| er47c - Iowan Surface |
| er47d - Missouri Alluvial Plain |
| er47e - Steeply Rolling Loess Prairies |
| er47f - Rolling Loess Prairies |
| er47h - Nebraska/Kansas Loess Hills |
| er47m - Western Loess Hills |
| er52b - Paleozoic Plateau/Coulee Section |
| er52c - Rochester/Paleozoic Plateau Upland |
| er72d - Upper Mississippi Alluvial Plain |
| er72f - River Hills |
Based on Ecoregions developed by the EPA this map describe areas of general similarity in ecosystems and in the type, quality, and quantity of environmental resources, as well as similarity of climate that can assist Iowa gardenders.
