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Lake Mendota, Wisconsin, USA
latitude: 43.106701
longitude: -89.424797
Precision of location: Alexandria Digital Library (with USGS GNIS data)
Site Named Here: By name of island, bay, strait, lake, river, or stream, etc., named in source publication
| Polycelis nigra | 1918 or earlier | |||
| Castrella pinguis | 1945 or earlier | Wisconsin: Lake Mendota & Yahara River, Madison sowie mehrere andere Seen u. Flüsse |