| Impact ID | 4752 |
| Impact Type | Competition |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Native plant species richness and cover lower in Japanese knotweed, Fallopia japonica, stands than in noninvaded sites. |
| Reference | 37068 |
| Great Lakes Region | Yes |
| Cost | |
| Location | east of Hawking's Pond, Broome Co., New York, USA |
