Related Clues:

• Elite league
• League name
• Poison ivy's cousin
• Ornamental tree
• Staghorn, for example
• Creepy plant?
• Penn's league
• Wrigley's adornment
• Black-berry producer
• Itch-causing plant
• Common climber
• It grows up in some colleges?
• College-campus climber
• Shrub often toxic
• Poisonous shrub, perhaps