| Specimen ID | 238235 |
| Group | Plants |
| Genus | Najas |
| Species | minor |
| Common Name | brittle waternymph |
| State | IA |
| County | Benton |
| Locality | Hannen Lake |
| Mapping Accuracy | Accurate |
| HUC8 Name | Middle Iowa |
| HUC8 Number | 07080208 |
| HUC10 Name | Honey Creek-Iowa River |
| HUC10 Number | 0708020809 |
| HUC12 Name | Coon Creek-Iowa River |
| HUC12 Number | 070802080904 |
| Map | |
| Collection Year | 2004 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Record Type | Personal communication |
| Earliest Record | county |
| Freshwater/Marine | Freshwater |
