| Impact ID | 7098 |
| Impact Type | Predation/Herbivory |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | Myriophyllum aquaticum can dramatically alter ecosystems by shading out algae, pondweeds, and coontail on which waterfowl feed. |
| Reference | 42132 |
| Cost | |
| Location | |