| Specimen ID | 1651339 |
| Group | Plants |
| Genus | Hydrilla |
| Species | verticillata |
| Subspecies | peregrina |
| Common Name | wandering hydrilla |
| State | PA |
| County | York |
| Locality | Lake Marburg |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lower Susquehanna |
| HUC8 Number | 02050306 |
| HUC10 Name | Codorus Creek |
| HUC10 Number | 0205030607 |
| HUC12 Name | Lake Marburo-West Branch Codorus Creek |
| HUC12 Number | 020503060701 |
| Map | |
| Collection Day | 5 |
| Collection Month | 7 |
| Collection Year | 2019 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker |
| Status | established |
| Reference 1 |
| Ref. Number: | 34496 |
| Author: | Jewitt, A. |
| Date: | 2019 |
| Title: | Results and Analysis of the 2019 Three-Part Species Search Challenge: Water Chestnut, Hydrilla, and Wavyleaf Basketgrass |
| Publisher: | PA iMapInvasives Program |
| Pages: | 17 |
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| Reference 2 |
| Ref. Number: | 27462 |
| Author: | iMapInvasives. |
| Date: | 2018 |
| Title: | Pennsylvania iMapInvasives |
| Publisher: | Pennsylvania Natural Heritage Program |
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| Comments | https://imapinvasives.natureserve.org/imap/services/page/Presence/1019799.html |
| Record Type | Literature |
| Verifier | Heidi Himes |
| Freshwater/Marine | Freshwater |
| Size | 96 sq m |
