| Specimen ID | 1658517 |
| Group | Plants |
| Genus | Hydrocharis |
| Species | morsus-ranae |
| Common Name | European frogbit |
| State | PA |
| County | Mercer |
| Locality | Boat Launch 3 at Lake Wilhelm in Maurice K. Goddard State Park |
| Mapping Accuracy | Accurate |
| HUC8 Name | Middle Allegheny-Tionesta |
| HUC8 Number | 05010003 |
| HUC10 Name | Sandy Creek |
| HUC10 Number | 0501000308 |
| HUC12 Name | Sandy Creek-Sandy Lake Dam |
| HUC12 Number | 050100030801 |
| Map | |
| Collection Day | 21 |
| Collection Month | 7 |
| Collection Year | 2017 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Comments | Reliable observers that have shared images found a small patch that was hand-pulled, but reported it possible to be in other portions of the lake which was later confirmed. Herbicide applied in July 2020 and June 2021 |
| Record Type | Personal communication |
| Earliest Record | locale |
| Disposal | Treated |
| Verifier | Pennsylvania Department of Conservation and Natural Resources |
| Freshwater/Marine | Freshwater |
