Rock Creek, Rock Creek Park, Washington, District of Columbia, USA
latitude: 38.969101 38°58'8.76"N
longitude: -77.045097 77°2'42.35"W
[Precision of location: gauged from chart or map]
[Site Named Here by name of island, bay, strait, lake, river, or stream, etc., named in source publication]
Phagocata gracilis (Haldeman, 1840) | 1856 | stones | Kenk (1970) noted: Rock Creek now polluted and without planarians. |
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