Public Sites
| State | County | Name |
|---|---|---|
| Iowa | Polk | Westwood |
| Iowa | Warren | Westwood |
| Iowa | Henry | Westwood Exit |
| Iowa | Dickinson | Wetland on 180th Street |
| Iowa | Lee | Wever |
| Iowa | Allamakee | Weymiller Hill Prairie |
| Iowa | Allamakee | Weymiller Prairie |
| Texas | Wharton | Wharton |
| Iowa | Keokuk | What Cheer |
| Iowa | Clinton | Wheatland |
| South Dakota | Fall River | Wheaton College Science Station |
| Iowa | Muscatine | Whiskey Run @ Hwy 92 |
| Iowa | Allamakee | Whispering Pines Hill Prairie |
| Iowa | Lucas | White Breast Creek @ 137th Trail |
| Iowa | Marion | White Breast Park |
| Iowa | Johnson | White Oak Ave and 145th |
| Iowa | Mahaska | White Oak Conservation Area |
| Iowa | Dubuque | White Pine Hollow State Preserve |
| Minnesota | Cook | White Pine Lake |
| Michigan | Chippewa | Whitefish Point |
| Iowa | Sac | Whitehorse Access, Racoon River |
| Iowa | Guthrie | Whiterock Conservancy |
| Iowa | Pocahontas | Whitetail Ridge Area |
| Iowa | Jones | Whitewater Canyon Wildlife Management Area |
| Iowa | Jefferson | Whitman Woods |