| Specimen ID | 1655163 |
| Group | Plants |
| Genus | Najas |
| Species | marina |
| Common Name | holly-leaf waternymph |
| State | IL |
| County | Lake |
| Locality | Silver Lake one mile east-southeast of Antioch; Antioch 7.5 minute topographic map. |
| Mapping Accuracy | Accurate |
| HUC8 Name | Upper Fox |
| HUC8 Number | 07120006 |
| HUC10 Name | Squaw Creek-Fox River |
| HUC10 Number | 0712000610 |
| HUC12 Name | Sequoit Creek |
| HUC12 Number | 071200061004 |
| Map | |
| Collection Day | 4 |
| Collection Month | 9 |
| Collection Year | 1991 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker |
| Status | established |
| Reference 1 |
| Ref. Number: | 28887 |
| Author: | Minnaert-Grote, J. (manager). |
| Date: | 2015 |
| Title: | Illinois Natural History Survey Herbarium (ILLS) |
| Publisher: | Prairie Research Institute, Illinois Natural History Survey |
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| Reference 2 |
| Ref. Number: | 29277 |
| Author: | SERNEC Data Portal |
| Date: | 2019 |
| Title: | SouthEast Regional Network of Expertise and Collections |
| Publisher: | Appalachian State University |
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| Comments | Georeferenced by NAS staff |
| Record Type | Specimen |
| Disposal | ILLS |
| Museum Cat Number | 68216 |
| Verifier | Ian Pfingsten |
| Freshwater/Marine | Freshwater |
