| Impact ID | 3438 |
| Impact Type | Predation/Herbivory |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Though M. aquaticum has a moderately high tannin content, cattle eat it freely and ducks crop it. |
| Reference | 32676 |
| Great Lakes Region | No |
| Cost | |
| Location | |
