| Impact ID | 6817 |
| Impact Type | Genetic |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Salix caprea (nonnative) hybridizes with other European willows including S. cinerea, S. atrocinerea and S. aurita, many of which have been introduced into North America. |
| Reference | 30088 |
| Cost | |
| Location | Lake Baikal, Siberia |