| Impact ID | 8017 |
| Impact Type | Competition |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | The free-floating form of common frogbit (Hydrocharis morsus-ranae) can lead to densely tangled floating mats, which can crowd and shade out native aquatic vegetation. |
| Reference | 35245 |
| Great Lakes Region | No |
| Cost | |
| Location | |
