Specimen ID | Common Name | State | County | Locality | Year |
| Drainage name | Status |
1715818
| wandering hydrilla | CT | Fairfield | Meckauer Park | 2023 |
01100005
| Housatonic | established |
1728561
| northern hydrilla | CT | Hartford | [No locality description provided] | 2023 |
01080205
| Outlet Connecticut River | |
1715814
| northern hydrilla | CT | Litchfield | East Twin Lake, 13 m from launch | 2023 |
01100005
| Housatonic | established |
1729152
| northern hydrilla | CT | Middlesex | [No locality description provided] | 2023 |
01080205
| Outlet Connecticut River | |
1729105
| northern hydrilla | CT | Middlesex | [No locality description provided] | 2023 |
01080205
| Outlet Connecticut River | |
1715820
| northern hydrilla | CT | Middlesex | Lake Pocotopaug, 400 m from the launch | 2023 |
01080205
| Outlet Connecticut River | established |
1715822
| northern hydrilla | CT | Middlesex | Pameacha Lake | 2023 |
01080205
| Outlet Connecticut River | established |
1715816
| wandering hydrilla | CT | New Haven | Lake Lillinonah | 2023 |
01100005
| Housatonic | established |
1729309
| northern hydrilla | CT | New London | [No locality description provided] | 2023 |
01080205
| Outlet Connecticut River | |
1715815
| northern hydrilla | CT | New London | Amos Lake, 7 m from launch | 2023 |
01100003
| Thames | established |
1715817
| northern hydrilla | CT | Tolland | Middle Bolton Lake, 24 m from launch | 2023 |
01100002
| Shetucket River | established |