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Hummeldalträsket, Finland
latitude: 59.948891
longitude: 23.109444
Precision of location: Alexandria Digital Library (with NGA GNDB data)
Site Named Here: By name of island, bay, strait, lake, river, or stream, etc., named in source publication
| Microdalyellia kupelwieseri | Jun-Jul, 1950 | Hummeldalträsket, Quellgebiet, in nassem Moos, 6 degrees C. | ||
| Castrella truncata | 1955 or earlier |