| Name | Potamogeton ×lithuanicus Gorski ex Ascherson & Graebner | 
| Authorship | Gorski ex Ascherson & Graebner | 
| Rank | Species | 
| Placed in | Potamogeton | 
| Citation | 1897 Syn. Mitteleur. Fl. [Ascherson & Graebner]. 1: 328 | 
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Potamogeton ×lithuanicus Gorski ex Ascherson & Graebner | 
| Identification made in | 2012 (1) |