| Impact ID | 8721 |
| Impact Type | Competition |
| Study Type | Experimental |
| Study Location | Laboratory |
| Impact Description | In small tank experiments, the native Myriophyllum sibiricum (northern watermilfoil) appears competitively superior. In the field, however, Myriophyllum spicatum (Eurasian watermilfoil) has replaced M. sibiricum over much of the temperate range of this species in North America. |
| Reference | 20801 |
| Cost | |
| Location | |