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 wester portion of prairie fen; about 25m north of stream; common species include Eutrochium maculatum, Solidago altissima, Pycnanthemum virginicum, Asclepias syriaca, Agrostis gigantea, and Lycopus americanus. Quadrat located about 30m south of Toxicodendron vernix shrub; ground moist but not wet.