200512181239b Old Man's Beard lichen (Usnea L.) on a tamarack - Isabella Co.JPG 200512181239 Old Man's Beard lichen (Usnea L.) on a tamarack - Isabella Co.JPG 200512181237 Old Man's Beard lichen (Usnea L.) on a tamarack - Isabella Co.JPG 200003180624 Old Man's Beard lichen (Usnea L.) in a tamarack.jpg


click here for Per's Wild Flower home Page