"Phyllospadix" . "Alismatales" . . "Phyllospadix torreyi S. Watson" . "Magnoliophyta" . . . "Liliopsida" . . "Zosteraceae" . . . . . . "Plantae" . . . "Phyllospadix torreyi" . "Torrey's Surfgrass" . . . "S. Watson" .