. "Halophila ovalis (R. Br.) Hook. f." . "Halophila ovalis" . "(R. Br.) Hook. f." . . . "Plantae" . . . . . . . . "Hydrocharitaceae" . "Seagrass" . . . "Alismatales" . "Magnoliophyta" . "Liliopsida" . "Halophila" . . .