Specimen ID | Common Name | State | County | Locality | Year |
| Drainage name | Status |
1397697
| monoecious hydrilla | OH | Cuyahoga | Wallace Lake, located in Berea, Ohio and part of Cleveland Metroparks Mill Stream Run Reservation. | 2011 |
04110001
| Black-Rocky | unknown |
894724
| monoecious hydrilla | OH | Cuyahoga | Wallace Lake, Mill Stream Run Reservation | 2011 |
04110001
| Black-Rocky | established |
1633641
| monoecious hydrilla | OH | Medina | [West Branch Rocky River] | 2018 |
04110001
| Black-Rocky | established |
1633624
| monoecious hydrilla | OH | Medina | [West Branch Rocky River] | 2018 |
04110001
| Black-Rocky | established |
1633627
| monoecious hydrilla | OH | Medina | [West Branch Rocky River] | 2018 |
04110001
| Black-Rocky | established |
1469064
| monoecious hydrilla | OH | Medina | pond at Wadsworth Rd | 2018 |
04110001
| Black-Rocky | established |
1694095
| hydrilla | OH | Medina | Private Pond | 2020 |
04110001
| Black-Rocky | unknown |
1694096
| hydrilla | OH | Medina | Private Pond | 2020 |
04110001
| Black-Rocky | unknown |
1694097
| hydrilla | OH | Medina | Private Pond | 2020 |
04110001
| Black-Rocky | unknown |
1694100
| hydrilla | OH | Medina | Private Pond | 2020 |
04110001
| Black-Rocky | unknown |
1652509
| monoecious hydrilla | OH | Medina | private pond | 2020 |
04110001
| Black-Rocky | established |
1652510
| monoecious hydrilla | OH | Medina | private pond | 2020 |
04110001
| Black-Rocky | established |
1655270
| monoecious hydrilla | OH | Medina | private pond | 2020 |
04110001
| Black-Rocky | established |
1694094
| hydrilla | OH | Medina | Wadsworth Road pond | 2020 |
04110001
| Black-Rocky | unknown |