Sagittaria filiformis J.G.Sm. APC legitimate | sensu Council of Heads of Australasian Herbaria (2014), Australian Plant Census
Sagittaria gracillima (S.Watson) J.G.Sm. legitimate Sagittaria lorata (Chapm.) Small legitimate Sagittaria natans Michx. nom. illeg. Sagittaria natans var. gracillima S.Watson legitimate Sagittaria natans var. lorata Chapm. legitimate Sagittaria stagnorum Small legitimate Sagittaria subulata subsp. lorata (Chapm.) R.T.Clausen legitimate Sagittaria subulata var. lorata (Chapm.) Fernald legitimate Sagittaria subulata var. natans (Michx.) J.G.Sm. legitimate
  • R.J.Adair et al., Plant Prot. Quart. 27: 48 (2012), cite a collection from Tas. However this specimen may represent cultivated material and this taxon is not known to be naturalised in that state (M.L.Baker, pers. comm. 2013).