Prairie fen mostly round in shape with large Typha pond/stream in center. Surrounded by wooded upland. Encroachment by shrubs (Cornus, Spiraea alba, Toxicodendron vernix), especially from the north. There are large patches of Typha, Lythrum salicaria, and Phalaris arundinacaea in the northeast. The northwest has amazingly low number of invasives seen. No signs of management but many tracks of trucks or ATVs. Also, many invasives (Phalaris arundinacea and Lythrum salicaria) along creek. Some Frangula alnus in the southwest. In west-central portion of prairie fen, 25m south of aspen peninsula, 15m north of tamarack and Toxicodendron vernix thicket, 60m east of wooded upland border. Sedge and Asteraceae meadow with Dasiphora fruticosa, Thelypteris palustris, Sorghastrum nutans, Andropogon gerardii, and Pycnanthemum virginianum. Ground hummocky and moist to wet. Shrubs over 2m tall every 9-15m2 and shrubs under 1m every 4m2. Smells strongly of onion.
Population - Basal leave only. Not flowering or fruiting. Seen on moist soil with Poaceae, Asteraceae, and Pycnanthemum virginianum.