| Impact ID | 5871 |
| Impact Type | Competition |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | In littoral marshes in Poland P. australis was able to overgrow new sites and outcompete native species through vegetative propagation. |
| Reference | 40228 |
| Cost | |
| Location | Jeziórko Sulphur Mine, Poland |