• Boucard, Gueric
  Texarome Inc.
  521-232-6079
  
• De Geus, Robert
  Department of Forests, Parks and Recreations, Vermont
  802-244-8716
  
• Lawerence, Brian M.
  R.J. Reynolds Tobacco Company
  919-741-5000
  
• Simon, Jim
  Department of Horticulture, Purdue University
  317-494-1328
  
• Westbrook, Robert
  USDA, Forest Service
  318-473-7272
  

Essential oils are the concentrated aromatic oils of plant leaves, flowers, seeds, bark, roots, and the rinds of some fruits. Essential oils have a great many uses and may be obtained from cultivated or wild plants.