United States, Michigan, Washtenaw, Waterloo Long Lake Fen
42.35543 -84.06761
298 meters (977ft)
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 northern portion of prairie fen, 20m south of wooded upland, 100m east of denser Larix laricina and Toxicodendron vernix west zone, 30m west of 12m tall Acer rubrum in shrubby transition from meadow to shrub-carr. Carex, Asteraceae, and Thelypteris palustris meadow with some Schoenoplectus pungens, Eleocharis, and Pycnanthemum virginianum. Encroached by shrubs of red cedar, T. vernix, and Cornus. Ground hummocky and moist.
Flower - purple rays, yellow disks, disk head 5-8mm diameter, whole head 20-25mm.Population - only one flowering in area, others every 1-4m2 but not flowering. Associated with Dasiphora fruticosa, Lysimachia quadriflora, Lobelia kalmii, and Parnassia glau