| Specimen ID | 238309 |
| Group | Plants |
| Genus | Myriophyllum |
| Species | spicatum |
| Common Name | Eurasian watermilfoil |
| State | IA |
| County | Grundy |
| Locality | Grundy County Lake |
| Mapping Accuracy | Accurate |
| HUC8 Name | Middle Cedar |
| HUC8 Number | 07080205 |
| HUC10 Name | Headwaters Black Hawk Creek |
| HUC10 Number | 0708020505 |
| HUC12 Name | Minnehaha Creek-Black Hawk Creek |
| HUC12 Number | 070802050504 |
| Map | |
| Collection Year | 2004 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | eradicated |
| Comments | Sonar whole lake in 2004 - no EWM observed. |
| Record Type | Personal communication |
| Freshwater/Marine | Freshwater |
