| Impact ID | 3407 |
| Impact Type | Competition |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | "Rotala produces extremely dense submersed populations and large thick mats that dominate the surface of the water. This greatly reduces ecosystem services, because oxygen level and light penetration are hampered." |
| Reference | 28434 |
| Great Lakes Region | No |
| Cost | |
| Location | |
