World Checklist of Selected Plant Families (WCSP)

Potamogeton × angustifolius J.Presl in F.Berchtold & J.S.Presl, Prir. Rostlin 1(Zabnj.): 19 (1821).

Heterotypic Synonyms:

• Potamogeton × zizii W.D.J.Koch ex Roth, Enum. Pl. Phaen. Germ. 1(1): 531 (1827), nom. illeg.
• Potamogeton × babingtonii A.Benn., J. Bot. 32: 205 (1894).
• Potamogeton × heidenreichii Asch. & Graebn., Syn. Mitteleur. Fl. 1: 327 (1897).