| Specimen ID | 1654244 |
| Group | Plants |
| Genus | Myriophyllum |
| Species | spicatum |
| Common Name | Eurasian watermilfoil |
| State | PA |
| County | York |
| Locality | Gifford Pinchot State Park, Warrington, PA, US |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lower Susquehanna |
| HUC8 Number | 02050306 |
| HUC10 Name | Lower Conewago Creek |
| HUC10 Number | 0205030605 |
| HUC12 Name | Conewago Lake-Beaver Creek |
| HUC12 Number | 020503060503 |
| Map | |
| Collection Day | 12 |
| Collection Month | 12 |
| Collection Year | 2017 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Reference 1 |
| Ref. Number: | 25944 |
| Author: | iNaturalist |
| Date: | 2024 |
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| Comments | iNaturalist observation ID: 9143467 |
| Record Type | Literature |
| Verifier | USGS NAS staff |
| Freshwater/Marine | Freshwater-Brackish |
