Hylophobia, also known as xylophobia, ylophobia, and dendrophobia, is a psychological disorder defined by an irrational fear of wood, forest or trees. ==Etymology== Hylophobia is derived from the Greek hylo-, meaning wood or forest, and phobo- meaning fear. ==Causes and contributing factors== Most phobias start through an incident or memory in chi... Found on http://en.wikipedia.org/wiki/Hylophobia