Public Sites
| State | County | Name |
|---|---|---|
| Iowa | Cerro Gordo | Lekwa Marsh Wildlife Management Area |
| Iowa | Appanoose | Lelah Bradley Park |
| Iowa | Decatur | Leon |
| Kentucky | Ohio | Leon's Farm, Ohio County |
| Texas | Nueces | Leonabelle Turnbull Birding Center |
| Iowa | Pottawattamie | Lewis and Clark Park |
| Iowa | Monona | Lewis and Clark State Park |
| Iowa | Linn | Lewis Bottoms |
| Iowa | Linn | Lewis Bottoms Access County Park |
| Iowa | Ringgold | Liberty Lake |
| Iowa | Lee | Lillian Sutlive Walking Trail at River Hills Village, Keokuk |
| Iowa | Dickinson | Lily Lake |
| Iowa | Cerro Gordo | Lime Creek Nature Center |
| Iowa | Winneshiek | Lindeman Pond |
| Iowa | Van Buren | Lindsay Wilderness Area |
| Iowa | Delaware | Lindsey Creek @ 150th Street |
| Montana | Carbon | Line Lake |
| Iowa | Lee | Linger Longer Park |
| Iowa | Linn | Linn County |
| Iowa | Buena Vista | Linn Grove |
| Iowa | Buena Vista | Linn Grove Dam Park |
| Iowa | Cerro Gordo | Linn Grove Park |
| Iowa | Linn | Linn Mar School Property |
| Iowa | Winneshiek | Lionberger Environmental Preserve |
| Iowa | Marshall | Lions Park |