| Specimen ID | 1409965 |
| Group | Algae |
| Genus | Didymosphenia |
| Species | geminata |
| Common Name | didymo |
| State | MD |
| County | Garrett |
| Locality | Big Run State Park/Savage River Reservoir |
| Mapping Accuracy | Accurate |
| HUC8 Name | North Branch Potomac |
| HUC8 Number | 02070002 |
| HUC10 Name | Savage River |
| HUC10 Number | 0207000201 |
| HUC12 Name | Lower Savage River |
| HUC12 Number | 020700020103 |
| Map | |
| Collection Day | 1 |
| Collection Month | 9 |
| Collection Year | 2016 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker | dispersed |
| Status | established |
| Reference 1 |
| Ref. Number: | 28384 |
| Author: | Maryland Department of Natural Resources. |
| Date: | 2016 |
| Title: | Maryland Aquatic Nuisance Species Management Plan. |
| Publisher: | Maryland Department of Natural Resources |
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| Record Type | Literature |
| Verifier | MD DNR |
| Freshwater/Marine | Freshwater |
