| hydrilla verticillata | | usa: maine, york co., limerick, pickerel pond | | 1622821008 |
| hydrilla verticillata | | usa: maine, york co., limerick, pickerel pond | | 1622821033 |
| hydrilla verticillata | | usa: maine, york co., limerick, pickerel pond | | 1779821050 |
| hydrilla verticillata | | usa: maine, york co., limerick, pickerel pond | | 1779821150 |