| Specimen ID | 238230 |
| Group | Plants |
| Genus | Najas |
| Species | minor |
| Common Name | brittle waternymph |
| State | IA |
| County | Ida |
| Locality | Crawford Creek Lake |
| Mapping Accuracy | Accurate |
| HUC8 Name | Maple |
| HUC8 Number | 10230005 |
| HUC10 Name | Lower Maple River |
| HUC10 Number | 1023000503 |
| HUC12 Name | Aldrich Creek-Maple River |
| HUC12 Number | 102300050304 |
| Map | |
| Collection Year | 2003 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Comments | Sonar whole lake in 2004 (brittle naiad observed in 2005, 2006) |
| Record Type | Personal communication |
| Earliest Record | drainage |
| Freshwater/Marine | Freshwater |
