| Specimen ID | 1655483 |
| Group | Plants |
| Genus | Najas |
| Species | marina |
| Common Name | holly-leaf waternymph |
| State | IN |
| County | Noble |
| Locality | Diamond Lake, Mallard Roost Wetland Conservation Area |
| Mapping Accuracy | Accurate |
| HUC8 Name | St. Joseph |
| HUC8 Number | 04050001 |
| HUC10 Name | South Branch Elkhart River |
| HUC10 Number | 0405000116 |
| HUC12 Name | Diamond Lake-South Branch Elkhart River |
| HUC12 Number | 040500011605 |
| Map | |
| Collection Day | 1 |
| Collection Month | 9 |
| Collection Year | 2004 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft | hitch hiker on waterfowl |
| Status | established |
| Reference 1 |
| Ref. Number: | 29946 |
| Author: | Dolan, R.W. (director). |
| Date: | 2012 |
| Title: | Friesner Herbarium (BUT) |
| Publisher: | Butler University |
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| Record Type | Specimen |
| Disposal | BUT |
| Museum Cat Number | 9606 |
| Verifier | Mitchell S. Alix |
| Freshwater/Marine | Freshwater |