Public Sites
| State | County | Name |
|---|---|---|
| Iowa | Allamakee | Black Hawk Point Wildlife Management Area |
| West Virginia | Pocahontas | Black Mountain |
| Iowa | Des Moines | Blackhawk Bottoms |
| Iowa | Des Moines | Blackhawk Bottoms |
| Iowa | Sac | Blackhawk State Park |
| Iowa | Butler | Blackmun Prairie |
| Iowa | Buchanan | Blazing Star Prairie, Buchanan |
| Iowa | Cerro Gordo | Blazing Star Prairie, Cerro Cordo |
| Iowa | Buchanan | Blazing Star Prairie, Rowley |
| Iowa | Lyon | Blood Run Creek @ Apple Ave. near Granite |
| Iowa | Lyon | Blood Run Preserve |
| Iowa | Clayton | Bloody Run County Park - Trout |
| Iowa | Linn | Blue Creek Natural Area |
| Iowa | Warren | Blue Flag Marsh |
| Iowa | Cerro Gordo | Blue Wing Marsh Wildlife Area |
| Iowa | Lee | Bluff Park, Keokuk |
| Iowa | Mills | Bluff View AMOCO |
| Iowa | Winneshiek | Bluffton Campgrounds |
| Iowa | Winneshiek | Bluffton Fir Stand State Preserve |
| Indiana | Wells | Blufton/Fort Wayne South KOA |
| Kentucky | Hancock | Bob Durbin Ray Road |
| Iowa | Webster | Bob Hay Memorial Conservation Area |
| Iowa | Wayne | Bobwhite State Park |
| Iowa | Bremer | Boevers Wetland Mitigation |
| Texas | Calhoun | Boggy Nature Park |