| Specimen ID | 267665 |
| Group | Plants |
| Genus | Najas |
| Species | marina |
| Common Name | holly-leaf waternymph |
| State | WI |
| County | Waukesha |
| Locality | Silver Lake [~4 mi W of Delafield] |
| Mapping Accuracy | Accurate |
| HUC8 Name | Upper Rock |
| HUC8 Number | 07090001 |
| HUC10 Name | Oconomowoc River |
| HUC10 Number | 0709000105 |
| HUC12 Name | Oconomowoc River |
| HUC12 Number | 070900010504 |
| Map | |
| Collection Year | 1998 |
| Year Accuracy | Estimated |
| Potential Pathway | dispersed |
| Status | established |
| Record Type | Specimen |
| Freshwater/Marine | Freshwater |
