Field Guide to Wild Mushrooms of Pennsylvania and the Mid-Atlantic: Revised and Expanded EditionThis revised and expanded edition of mushroom expert Bill Russell's popular Field Guide to Wild Mushrooms of Pennsylvania and the Mid Atlantic provides both novice and experienced mushroom foragers with detailed, easy to use information about more than one hundred species of these fungi, including twenty five varieties not found in the previous guide. From the Morel to the Chanterelle to the aptly named Chicken of the Woods, mushrooms of the mid