Narrow fen at base of Quercus sp. Dominated upland. Water appears to seep out from base of upland and creates tranition/wooded fen zone at base. This occasionally gives way to high quality patches of fen, but much of the fen is overtaken by Lythrum salicaria and Typha spp. Area not likely to persist at prairie fen without management. Eastern portion of prairie fen about 10m southeast of woodland upland; area dominated by Typha latifolia and Toxicodendron vernix; area somewhat weedy; vegetation very thick and tall; common species include Apios americanus, Pycnanthemum virginicum, Impatiens capensis, Galium asprellum, Apocynum cannabinum, Carex stricta, and Eutrochium maculatum; ground moist but not inundated.