| Impact ID | 9908 |
| Impact Type | Competition |
| Study Type | Anecdotal |
| Study Location | Field |
| Impact Description | Vallisneria × pseudorosulata has grown in population sizes that outcompetes native plants as well as non-native plants, such as Hydrilla verticillata in Lake Guntersville. |
| Reference | 45076 |
| Great Lakes Region | No |
| Cost | |
| Location | Tennessee River, Alabama |
