| Specimen ID | 1655304 |
| Group | Plants |
| Genus | Najas |
| Species | marina |
| Common Name | holly-leaf waternymph |
| State | PA |
| County | Blair |
| Locality | submerged in shallow water along the shoreline in an abandoned limestone quarry, ca. 1.1 miles NW of Williamsburg |
| Mapping Accuracy | Accurate |
| HUC8 Name | Upper Juniata |
| HUC8 Number | 02050302 |
| HUC10 Name | Lower Frankstown Branch Juniata River |
| HUC10 Number | 0205030203 |
| HUC12 Name | Frankstown Branch Juniata River-Juniata River |
| HUC12 Number | 020503020305 |
| Map | |
| Collection Day | 2 |
| Collection Month | 11 |
| Collection Year | 2001 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker |
| Status | established |
| Reference 1 |
| Ref. Number: | 34776 |
| Author: | Pennsylvania State University |
| Date: | 2015 |
| Title: | The Pennsylvania State University Herbarium (PAC) |
| Publisher: | SEINet Data Portal |
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| Reference 2 |
| Ref. Number: | 28331 |
| Author: | SEINet Portal Network. |
| Date: | 2021 |
| Title: | Southwest Environmental Information Network |
| Publisher: | Symbiota Software Project, Arizona State University |
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| Comments | Georeferenced by NAS staff |
| Record Type | Specimen |
| Disposal | PAC |
| Museum Cat Number | 4415 |
| Verifier | Ian Pfingsten |
| Freshwater/Marine | Freshwater |
