| Impact ID | 8053 |
| Impact Type | Competition |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | In wetland ecosystems in the eastern United States, Iris pseudacorus (yellow iris) has reduced the density of native sedges and rushes that serve as habitat for other species, especially waterfowl. |
| Reference | 25528 |
| Cost | |
| Location | eastern North America |