| Impact ID | 8850 |
| Impact Type | Competition |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | Potamogeton crispus (curly-leaf pondweed) can outcompete native species for light and space early in the growing season, often reducing plant diversity by forming monocultures. |
| Reference | 28861 |
| Cost | |
| Location | |