| Specimen ID | 1333393 |
| Group | Algae |
| Genus | Didymosphenia |
| Species | geminata |
| Common Name | didymo |
| State | PA |
| County | Wayne |
| Locality | Delaware River |
| Mapping Accuracy | Accurate |
| HUC8 Name | Upper Delaware |
| HUC8 Number | 02040101 |
| HUC10 Name | Lower West Branch Delaware River |
| HUC10 Number | 0204010103 |
| HUC12 Name | Balls Creek-Lower West Branch Delaware River |
| HUC12 Number | 020401010307 |
| Map | |
| Collection Day | 25 |
| Collection Month | 7 |
| Collection Year | 2012 |
| 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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| Comments | PA iMapInvasives Obs. ID: PA-3583U. Jeff Butt collected this material and later confirmed it microscopically. |
| Record Type | Literature |
| Verifier | Jeff Butt (DEP) |
| Freshwater/Marine | Freshwater |
