| Impact ID | 8720 |
| Impact Type | Competition |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | Growing early in the spring gives an advantage that allows Myriophyllum spicatum (Eurasian watermilfoil) to form dense beds with stem densities in excess of 300/m2 in shallow water, essentially excluding other plant species. |
| Reference | 10310 |
| Cost | |
| Location | |