Public Sites
| State | County | Name |
|---|---|---|
| Iowa | Crawford | Adams Landing, Boyer River |
| Iowa | Dallas | Adel |
| Iowa | Dallas | Adel - Prairie Seed Production Plots |
| Minnesota | Marshall | Agassiz Wildlife Refuge |
| Minnesota | Saint Louis | Agazziz Trail, Ely |
| Iowa | Crawford | Ahart/Rudd Natural Resource Area |
| Iowa | Winneshiek | Aikman Prairie |
| Iowa | Chickasaw | Airport Lake Park |
| Iowa | Monroe | Albia |
| Iowa | Marshall | Albion |
| Iowa | Bremer | Alcock County Park |
| Iowa | Hardin | Alden |
| Iowa | Kossuth | Algona |
| Iowa | Kossuth | Algona Country Club |
| Iowa | Allamakee | Allamakee County |
| Iowa | Allamakee | Allamakee Sand Cove |
| Iowa | Linn | Allen's Orchard |
| Iowa | Scott | Allens Grove County Park |
| Iowa | Jasper | Alloway Creek @ Hwy 14 |
| Iowa | Sioux | Alton County Park |
| Iowa | Polk | Altoona |
| Iowa | Iowa | Amana Lilly Lake |
| Iowa | Iowa | Amana Lilly Pond |
| Iowa | Iowa | Amana Woods |
| Iowa | Iowa | Amana Woods Nature Trail |