. . "Plantae" . "Sapindales" . "Toxicodendron" . . . "(Torr. and A. Gray) Greene" . . "Magnoliophyta" . . . . . "Pacific Poison Oak" . "Magnoliopsida" . "Toxicodendron diversilobum" . "Anacardiaceae" . . . . "Toxicodendron diversilobum (Torr. and A. Gray) Greene" . . . .