Check-lists
* List of countries might not be complete
Links and literature
[1] Sítko J., Faltýnková A., Scholz T. (2006): Checklist of the Trematodes (Digenea) of Birds of the Czech and Slovak Republics, Academia [as Bilharziella polonica (Kowalewski, 1895)]
Sítko J., Faltýnková A., Scholz T. (2006): Checklist of the Trematodes (Digenea) of Birds of the Czech and Slovak Republics, Academia [as Bilharziella polonica (Kowalewski, 1895)]