| Impact ID | 4598 |
| Impact Type | Competition |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | Phalaris arundinacea outcompetes native plant species, leading to a loss of plant and insect diversity in systems in which is is introduced. |
| Reference | 27589 |
| Great Lakes Region | No |
| Cost | |
| Location | |
