Large fen with high quality portions on eastern edge. Beautiful large Larix laricina trees shelter very diverse ribbons of fen. Large west portion is dominated by weedy species including Agrostis gigantea. Phalaris arundinacea dominates the fen/woodland interfaces. Bordered on north by creek and on south by woodland upland. Phalaris arundinacea dominated area in western portion of prairie fen; about 10m north of woodland upland; other species in area include Cornus foemina, Cirsium sp., and Carex lacustris; very weedy area; located about 20m southwest of large Acer rubrum tree.