Sites of Sinanodonta woodiana occurrence in Poland up to 2016 along with new localities in Dębowiec (ponds 17–19), borders of isotherms for the period 1971–2000 in Poland according to Lorenc (2005). — areas with the highest average annual temperatures; - - - areas with the lowest average annual temperatures;  1. Konin Heated Lakes System (Kraszewski and Zdanowski, 2001);  1. Fish ponds near Sieraków (Mizera and Urbańska, 2003); 2. Fish ponds near Milicz (Gąbka et al., 2007); 3. Fish ponds in Góra and Goczałkowice (Spyra et al., 2012); 4. Fish ponds in Spytkowice (Najberek et al., 2011); 5. Fish ponds near Rzeszów (Wojton et al., 2012); 6. Fish ponds Przeręb near Zator (Najberek et al., 2013); 7–16. Fish ponds (Urbańska et al., 2012): 7 – Zgliniec, 8 – Trzęsina, 9 – Urocze Średnie, 10 – Wojnowice, 11 – Wędkarski, 12 – Żydowski, 13 – Moryś, 14 – Jedynka Nowy, 15 – Oko, 16 – Duży); 17–19: Fish ponds in Dębowiec : 17 – Łacki, 18 – Chłopski, 19 – Rajski (new sites);  1. Dolna Odra power plant canal (Domagała et al., 2004); 2. Warta Gopło Canal (Kraszewski, unpublished);  1. Oxbow lake Krajskie (Zając et al., 2013);  1. Water body in Czarny Młyn (Ożgo et al., 2010); 2. Woodland pond in Piegza (unpublished data);  1. The Casprzyca Dith (Urbańska et al., 2011);  1. The Narew River (Bőhme, 1998; Marzec, 2016).