Oxypolis rigidior (L.) Raf.
Rachel Hackett & Hillary Karbowski RHHK562
United States, Michigan, Washtenaw, Waterloo Long Lake Fen
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 southwestern portion of fen, 15m east from edge of dense Toxicodendron vernix and Cornus, 30m north of southern border. Area dominated by Carex and Asteraceae with shrub encroachment of Cornus, T. vernix, and Betula pumila. Ground hummocky and moist. Ant mounds in area.
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Record Id: fd10871b-711b-4efa-871b-8889de6e5960
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