"Potamogeton rufescens var. spathulatus" . "150050" . _:b75884822 "9253001" . . . _:b75884822 . _:b75442704 "BDTFX id" . _:b75884822 "GBIF id" . "Potamogeton rufescens var. spathulatus" . . _:b75442704 . _:b75442704 "52334" . "52334" . "Potamogeton rufescens var. spathulatus (T.Marsson) Rouy, 1912" . "9253001" . _:b75442704 . . "(T.Marsson) Rouy, 1912" . _:b75884822 . _:b75884822 . _:b75442704 . . . . .