Sagittaria longiloba Engelm. ex J.G. Sm. in Annual Rep. Missouri Bot. Gard. 6: 42. 1894 sec. Espejo-Serna & López-Ferrari 2008
- =Sagittaria sagittifolia var. mexicana M. Martens & Galeotti in Bull. Acad. Roy. Sci. Bruxelles 9: 379. 1842 syn. sec. Espejo-Serna & López-Ferrari 2008
- =Sagittaria greggii J.G. Sm., Annual Rep. Missouri Bot. Gard. 6: 43 t. 12. 1894 syn. sec. Espejo-Serna & López-Ferrari 2008