| Specimen ID | 1333380 |
| Group | Plants |
| Genus | Potamogeton |
| Species | crispus |
| Common Name | curly-leaf pondweed |
| State | PA |
| County | Elk |
| Locality | Ridgway Township, 3.7 km NNE of Ridgway in Clarion River |
| Mapping Accuracy | Accurate |
| HUC8 Name | Clarion |
| HUC8 Number | 05010005 |
| HUC10 Name | Upper Clarion River |
| HUC10 Number | 0501000506 |
| HUC12 Name | Little Mill Creek-Clarion River |
| HUC12 Number | 050100050601 |
| Map | |
| Collection Day | 28 |
| Collection Month | 8 |
| Collection Year | 2003 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker |
| Status | established |
| Reference 1 |
| Ref. Number: | 27462 |
| Author: | iMapInvasives. |
| Date: | 2018 |
| Title: | Pennsylvania iMapInvasives |
| Publisher: | Pennsylvania Natural Heritage Program |
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| Reference 2 |
| Ref. Number: | 29255 |
| Author: | Isaac, B. (collections). |
| Date: | 2016 |
| Title: | Carnegie Museum of Natural History Herbarium (CM) |
| Publisher: | Carnegie Museum of Natural History |
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| Comments | PA iMapInvasives Obs. ID: PA-1032. |
| Record Type | Literature |
| Disposal | Carnegie Museum of Natural History Herbarium |
| Freshwater/Marine | Freshwater |
