Public Sites
| State | County | Name |
|---|---|---|
| Iowa | Wright | Rolling Acres Potholes |
| Iowa | Warren | Rolling Thunder Prairie State Preserve |
| Iowa | Story | Root to Rise Farm |
| Iowa | Mahaska | Rose Hill Marsh |
| Iowa | Humboldt | Rose Mill Park |
| Iowa | Linn | Rosedale Park Event Center |
| Iowa | Winneshiek | Roslien Woods |
| Iowa | Page | Ross Park and Recreation Area |
| South Dakota | Lawrence | Roubaix Lake |
| South Dakota | Lawrence | Roughlock Falls State Nature Area |
| Iowa | Greene | Round Pits @ 200th Street and T Ave |
| Iowa | Jefferson | Round Prairie Park |
| Iowa | Buchanan | Rowley |
| Iowa | Buchanan | Rowley Fen |
| Colorado | Fremont | Royal Gorge |
| Iowa | Winneshiek | Rpck Spring Farm |
| Iowa | Polk | Runnells Wildlife Area |
| Iowa | Palo Alto | Rush Lake / Salton Park |
| Iowa | Osceola | Rush Lake State Game Management Area |
| Iowa | Carroll | Russell White Nature Trail |
| Iowa | Mahaska | Russell Wildlife Area |
| Arizona | Cochise | Rustler Park |
| Iowa | Palo Alto | Ruthven |
| Iowa | Allamakee | Ryan Property |
| Iowa | Johnson | Ryerson's Woods State Preserve |