| Impact ID | 8033 |
| Impact Type | Competition |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Studies of six riparian communities in the Czech Republic indicated that ornamental jewelweed (Impatiens glandulifera) has a negligible effect on existing communities and therefore is not a threat to plant diversity there. |
| Reference | 18282 |
| Cost | |
| Location | Czech Republic |