| Specimen ID | 252904 |
| Group | Plants |
| Genus | Myriophyllum |
| Species | heterophyllum |
| Common Name | variable-leaf watermilfoil |
| State | CT |
| County | Middlesex |
| Locality | Hayward Lake (Lake Hayward), East Haddam |
| Mapping Accuracy | Accurate |
| HUC8 Name | Outlet Connecticut River |
| HUC8 Number | 01080205 |
| HUC10 Name | Eightmile River-Connecticut River |
| HUC10 Number | 0108020509 |
| HUC12 Name | Eightmile River |
| HUC12 Number | 010802050903 |
| Map | |
| Collection Day | 1 |
| Collection Month | 7 |
| Collection Year | 2005 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | established |
| Comments | Found along the W side of the lake at depths less than 6 feet. Record_type changed to from Website to Literature during database update. Please check documents associated with reference for more info. |
| Record Type | Personal communication |
| Freshwater/Marine | Freshwater |