Collecting site
Lammi, Finland
latitude: 61.166668     61°10'0"N
longitude: 25     25°0'0"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 | 1961 or earlier |  |  | Lammi.  (A. L.). | 
| Rhynchomesostoma rostratum (Müller, 1774) | May 28, 1956 |  |  | Lammi, Biolog. Station, grasiger Tümpel auf Tonboden, 20º C. | 
| Phaenocora unipunctata (Ørsted, 1843) | May 26, 1956 |  |  | Lammi, Biol. Station, grosser Tümpel unterhalb des Parks, 19 ºC |