| Impact ID | 5712 |
| Impact Type | Competition |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | In Minnesota, Butomus umbellatus appears to have the ability to outcompete the native Scirpus spp.. |
| Reference | 5162 |
| Great Lakes Region | No |
| Cost | |
| Location | Minnesota, United States |