Related Clues:

• Black-berry producer
• Common climber
• It grows up in some colleges?
• College-campus climber
• University wall covering
• League for Princeton
• ''Boston'' or ''poison'' plant
• Climbing plant with flowers
• What often grows attached?
• Climbing greenery
• Green climber
• Harvard, Yale, or Princeton, e.g.
• League named for a plant
• Brown, but not white?
• Wall cover