University of Maine Cooperative Extension’s natural resources experts conduct field research and provide information and consultation for people who harvest and use non-timber forest products. What are Non-Timber Forest Products? Fiber: brown/black ash, spruce roots, bark Food: berries, fiddleheads,┬ámaple syrup, mushrooms, nuts, wild leeks (ramps) Herbs and medicinals: compounds from pine, needles and birch bark,