Potamogeton anglicus Potamogeton cyprifolius Potamogeton oblongus f. lancifolius Potamogeton heterophyllus Potamogeton intermedius Potamogeton oblongus Potamogeton parnassiifolius Potamogeton polygonifolius subsp. microcarpus Potamogeton polygonifolius var. parnassiifolius Potamogeton polygonifolius var. terrestris Potamogeton oblongus f. amphibius Potamogeton polygonifolius var. amphibius Potamogeton natans subsp. intermedius Potamogeton polygonifolius var. parnassifolius Potamogeton oblongus var. ovatooblongus Potamogeton natans var. oblongus Potamogeton natans var. parnassiifolius Potamogeton natans var. minor Potamogeton polygonifolius subvar. terrestris Potamogeton oblongus f. cordifolius Potamogeton oblongus var. cordifolius Potamogeton oblongus var. lancifolius Potamogeton polygonifolius var. microcarpus Potamogeton polygonifolius f. norvegicus Potamogeton polygonifolius unr. cordifolius Potamogeton polygonifolius unr. lancifolius Potamogeton oblongus f. angustifolius Potamogeton polygonifolius f. sphagnophilus Potamogeton natans var. polygonifolius Potamogeton polygonifolius var. amphibius Potamogeton polygonifolius subvar. largior Potamogeton microcarpus Potamogeton natans subsp. polygonifolius Potamogeton polygonifolius f. largior
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024