| Impact ID | 8763 |
| Impact Type | Competition |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | Najas minor starts growing early in the season, which often leads to the blocking of sunlight from reaching native species and inhibiting their growth. |
| Reference | 35281 |
| Great Lakes Region | No |
| Cost | |
| Location | |
