. "Sagittaria lancifolia L." . . . . "Bulltongue Arrowhead" . . "Sagittaria" . . . . "Alismataceae" . "Liliopsida" . . "Magnoliophyta" . . "Plantae" . . . . . . "Alismatales" . "Sagittaria lancifolia" . . . "L." .