Collecting site
Vitträsk, Finland
there are also several lakes and a city named Vitträsk in Finland, not sure which one Luther 1961 {2736} p. 22 was referencing, all lakes are within the (N) map area, p. 42
latitude: 60.137222 60°8'14"N
longitude: 24.356943 24°21'24.99"E
[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]
Collected here:
Polycelis tenuis Ijima, 1884 | 1906 or earlier | | | N. [map reference area, p. 42] ; |
Polycelis tenuis Ijima, 1884 | 1961 or earlier | | | Ab. [map reference area, p. 42]; Sodra Vitträsk. |