|  | site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | 
| A | Warszawa (Warschau, Varsavia, Varshava, Warsaw, Varsovie), Poland | 2674 
  map | 1926 or earlier | default type |  |  |  | near Warsaw. | Gieysztor M (1926): abstract | 
| B | Kurmark, Germany | 3468 
  map | 1942 or earlier |  |  |  |  |  | Weise M (1942): from Luther 1955 (citation)- p. 253 | 
| C | Jezioro Wigry (Wigrysee, Wigry See, Wigry lake), Poland | 4999 
  map | 1939 or earlier |  |  |  |  | Wigry u. Warschau | Gieysztor M (1939): from Luther 1955 (citation)- p. 253 | 
| D | Warszawa (Warschau, Varsavia, Varshava, Warsaw, Varsovie), Poland | 2674 
  map | 1939 or earlier |  |  |  |  | Wigry u. Warschau | Gieysztor M (1939): from Luther 1955 (citation)- p. 253 | 
| E | Viareggio, Provincia di Lucca,  Toscana, Italy | 3184 
  map | May 1, 1952 |  |  |  |  | Toscana, Provincia di Lucca, austrocknender Tümpel auf sandigem Bodem im Pinienwald zwischen Viareggio und Torre de Lago Puccini (briefl Mitteilung von Floriano Papi) | Luther A (1955): 253 | 
| F | Torre del Lago Puccini (Torre del Lago), Provincia di Lucca, Toscana, Italy | 4348 
  map | May 1, 1952 |  |  |  |  | Toscana, Provincia di Lucca, austrocknender Tümpel auf sandigem Bodem im Pinienwald zwischen Viareggio und Torre de Lago Puccini (briefl Mitteilung von Floriano Papi) | Luther A (1955): 253 |