| hydrilla verticillata | | USA: Pennsylvania, Philadelphia, Schuylkill River | | 40737161 |
| hydrilla verticillata | | usa: pennsylvania, bucks co., nockamixon s.p., haycock creek | | 1622821013 |
| hydrilla verticillata | | usa: pennsylvania, bucks co., nockamixon s.p., haycock creek | | 1622821038 |