| Impact ID | 3505 |
| Impact Type | Competition |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Growth of Pontederia crassipes occurs at a higher rate than other floating plants, forming thick mats that block sunlight to the water column, reducing submerged vegetation abundance, and floating plant species richness. |
| Reference | 34001 |
| Great Lakes Region | No |
| Cost | |
| Location | |
