| Specimen ID | 1713590 |
| Group | Fishes |
| Genus | Etheostoma |
| Species | blennioides |
| Common Name | Greenside Darter |
| State | MD |
| County | Frederick |
| Locality | Monocacy River, just upstream of Rt. 28 bridge at mouth of Furnace Branch |
| Mapping Accuracy | Accurate |
| HUC8 Name | Monocacy |
| HUC8 Number | 02070009 |
| HUC10 Name | Lower Monocacy River |
| HUC10 Number | 0207000907 |
| HUC12 Name | Ballenger Creek-Monocacy River |
| HUC12 Number | 020700090704 |
| Map | |
| Collection Day | 11 |
| Collection Month | 6 |
| Collection Year | 2023 |
| Year Accuracy | Actual |
| Record Type | NAS sighting report |
| Verifier | M. Neilson (U.S. Geological Survey) |
| Freshwater/Marine | Freshwater |
| Number Collected | 1 |
| Photo | |
