Related Clues:

• It may elicit a rash response
• Yale or Harvard
• Cause of a rash reaction?
• Batman villain Poison ___
• Campus creeper
• It creeps up
• Academic hanger-on
• Poison ivy cousin
• Brown wall covering
• Outdoor climber
• Princeton plant
• Poison ___ (itchy plant)
• Harvard or Yale
• League
• Poison __