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Washington County, Maryland, USA
General coordinates for Washington County.
latitude: 39.599998
longitude: -77.699997
Precision of location: Gauged from chart or map
Site Named Here: By name of sea, gulf, or country named in source publication
| Hymanella retenuova | Mar 26, 1976 | pond near Ernestville, Washington County, Maryland from debris collected by A. Norden. Many individuals showed a heavy infestation with parasites. |