| hydrilla verticillata | | usa: wisconsin, polk co., manitou lake | | 1779821164 |
| hydrilla verticillata | | usa: wisconsin, polk co., manitou lake | | 1779821068 |
| hydrilla verticillata | | usa: wisconsin, polk co., manitou lake | | 1622821042 |
| hydrilla verticillata | | usa: wisconsin, polk co., manitou lake | | 1622821017 |