| Impact ID | 7982 |
| Impact Type | Competition |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | Epilobium hirsutum could be a competitive threat to native species in Ohio, including Epilobium angustifolium (state endangered) and Epilobium strictum (state threatened). |
| Reference | 25420 |
| Cost | |
| Location | |