Sagittaria platyphylla (Engelm.) J.G.Sm. legitimate | sensu Council of Heads of Australasian Herbaria (2014), Australian Plant Census
Sagittaria graminea subsp. platyphylla S.W.L.Jacobs nom. inval. Sagittaria graminea var. platyphylla Engelm. legitimate Sagittaria graminea var. weatherbiana Bogin orth. var. Sagittaria graminea var. weatherbyana (Fernald) Bogin legitimate Sagittaria mohrii J.G.Sm. ex C.Mohr legitimate Sagittaria recurva Patt. nom. inval., nom. nud. Sagittaria weatherbiana Fernald orth. var. Sagittaria weatherbyana Fernald legitimate
Sagittaria graminea Michx. auct. non Michx.: Jessop, J.P. in Black, J.M. (1978), Flora of South Australia Edn. 3, 1: 86 Sagittaria graminea Michx. auct. non Michx.: Conn, B.J. in Walsh, N.G. & Entwisle, T.J. (ed.) (1994), Flora of Victoria Edn. 1, 2: 129, Fig. 27j-m
  • WA (naturalised), SA (naturalised), Qld (naturalised), NSW (naturalised), ACT (formerly naturalised), Vic (naturalised)