| Impact ID | 8148 |
| Impact Type | Competition |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | A majority of seeds collected during a survey of moving bodies of water in the Netherlands were from European water horehound (Lycopus europaeus). This species also had the highest germination rate of all the seeds collected. |
| Reference | 25617 |
| Cost | |
| Location | Neatherlands |