| Impact ID | 8719 |
| Impact Type | Competition |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | Growth in spring allows Myriophyllum spicatum (Eurasian watermilfoil) to reach the water's surface before native plants and create a dense canopy to out-compete for sunlight and space. |
| Reference | 35275 |
| Cost | |
| Location | |