Poison Ivy, Toxicodendron radicans (formerly Rhus radicans, or Rhus Toxico-
dendron)
Poison Sumac, Toxicodendron vernix (formerly Rhus vernix)
James H. Miller & Ted Bodner, CC-BY-3.0
Rhubarb, Rheum rhabarbarum
Dieter Weber, CC-BY-SA-3.0 Yoky, CC-BY-SA-3.0
Savin Juniper, Juniperus sabina
303