| Specimen ID | 238238 |
| Group | Plants |
| Genus | Najas |
| Species | minor |
| Common Name | brittle waternymph |
| State | IA |
| County | Harrison |
| Locality | Willow Lake [Willow Lake Recreation Area ~2 mi NW of Woodbine] |
| Mapping Accuracy | Accurate |
| HUC8 Name | Boyer |
| HUC8 Number | 10230007 |
| HUC10 Name | Willow Creek |
| HUC10 Number | 1023000704 |
| HUC12 Name | Middle Willow Creek |
| HUC12 Number | 102300070402 |
| Map | |
| Collection Year | 2004 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Comments | Reward spot treatment in 2004, 2005 |
| Record Type | Personal communication |
| Earliest Record | county |
| Freshwater/Marine | Freshwater |
