United States, Michigan, Washtenaw, Waterloo Long Lake Fen
42.35483 -84.0653
292 meters (958ft)
Large zone of Cyperaceae dominated inundated flat near Long Lake. Appears many people drive vehicles through it. On the edges and to the west is the sedge meadow, calcareous seep, or wooded prairie fen. The area on the west side is practially saturated with Sphagnum moss mounds and Toxicodendron vernix. Other prominent vegetation includes Larix laricina, Thelypteris palustris, Dasiphora fruticosa, Solidago patula, Carex, and Scheonoplectus. Also contained Drosera rotundifolia, pitcher plants, and Eriophorum. Some invasion by Frangula alnus. The southern portion of the fen is colonized by Typha angustifolia, T. x glauca, and Lythrum salicaria until the 2m wide channel. South of the channel has less dense L. salicaria and little T. angustifolia or T. x glauca. In north-central portion of prairie fen, 40m south of wooded upland, 3 m east of Cornus sericea patch (1.5m tall, 3m wide), 1m west of recent vehicle tracks to lake. Area dominated by Cyperaceae, Poaceae, and Dasiphora fruticosa. Ground is hummocky and wet with occasional ant mounds.
Inflorescence - raceme of droopy spikes, awned lemmas, seed dark brown. Population - rare, found near vehicle tracks, possible accidental. Growing on small ant mound, does not appear clumped, flowering.