| Impact ID | 3412 |
| Impact Type | Competition |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | By covering large swaths of stagnant backwater areas, this noxious species may limit or totally block all ambient light penetration to the bottom of the system, which can stunt and potentially kill submersed plants growing below |
| Reference | 29572 |
| Great Lakes Region | No |
| Cost | |
| Location | |
