"Species name";"A priori categorisation";"Common name";Region;GISD;CABI;IESNA;GScholar;Outcome Extant "Azolla cristata Kaulf.";–;P;–;Y;–;n.a.;Invasive "Azolla filiculoides Lam.";"Pacific mosquitofern";P;–;Y;–;n.a.;Invasive "Egeria densa Planch.";"Brazilian waterweed";M;Y;Y;Y;n.a.;Invasive "Elodea canadensis Michx.";"Canadian waterweed";P;Y;Y;–;n.a.;Invasive "Elodea nuttallii (Planch.) H.St John";"western waterweed";P;–;Y;–;n.a.;Invasive "Ludwigia peploides (Kunth) P.H.Raven";"floating primrose-willow";P;–;Y;–;n.a.;Invasive "Myriophyllum heterophyllum Michx.";"twoleaf watermilfoil";M;Y;Y;Y;n.a.;Invasive "Najas graminea Delile";"ricefield waternymph";M;–;n.e.;–;N;Non-invasive "Nymphaea candida C.Presl";–;M;–;n.e.;–;N;Non-invasive "Pistia stratiotes L.";"water lettuce";P;Y;Y;–;n.a.;Invasive Horizon "Cabomba caroliniana A.Gray";"Carolina fanwort";–;Y;Y;–;n.a.;Invasive "Gymnocoronis spilanthoides (D.Don ex Hook. & Arn.) DC.";"Senegal tea plant";–;Y;Y;–;n.a.;Invasive "Hygrophila polysperma (Roxb.) T.Anderson";"Indian swampweed";–;Y;Y;–;n.a.;Invasive "Lemna aequinoctialis Welw.";"lesser duckweed";–;–;N;–;N;Non-invasive "Lemna minuta Kunth";"least duckweed";–;–;Y;–;n.a.;Invasive "Lemna turionifera Landolt";"turion duckweed";–;–;–;–;N;Non-invasive "Najas guadalupensis (Spreng.) Magnus";"southern waternymph";–;–;n.e.;–;N;Non-invasive "Nelumbo nucifera Gaertn.";"sacred lotus";–;–;n.e.;–;N;Non-invasive "Nymphaea lotus L.";"white Egyptian lotus";–;–;N;–;N;Non-invasive "Rotala macrandra Koehne";–;–;–;N;–;N;Non-invasive "Rotala rotundifolia (Buch.-Ham. ex Roxb.) Koehne";"dwarf rotala";–;–;–;Y;n.a.;Invasive "Sagittaria subulata (L.) Buchenau";"awl-leaf arrowhead";–;–;–;–;N;Non-invasive "Utricularia gibba L.";"humped bladderwort";–;Y;N;–;n.a.;Invasive "Vallisneria australis S.W.L.Jacobs & Les";–;–;–;–;–;N;Non-invasive