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Ocqueoc Lake, Presque Isle County, Michigan, USA
east shore.
latitude: 45.4739
longitude: -84.115601
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
| Dugesia tigrina | Jul 30, 1940 | very numerouws planarians under stones, shells, pieces of wood, and on water plants. Most animals asexual, one mature. Water temperature 27.0 degrees C. Water clear, somewhat colored; bottom, mud and stones. |