| Impact ID | 8718 |
| Impact Type | Competition |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | Myriophyllum spicatum (Eurasian watermilfoil) is tolerant of low water temperatures and begins to photosynthesize and grow early in the spring. |
| Reference | 19120 |
| Great Lakes Region | No |
| Cost | |
| Location | |