| Impact ID | 7851 |
| Impact Type | Commerce |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | Wild rice (Zizania aquatica) has been identified as a species potentially threatened by the spread of Butomus umbellatus in the wetlands of the northern United States and Canada. |
| Reference | 25140 |
| Cost | |
| Location | |