Eupatorium perfoliatum L.
Rachel Hackett & Hillary Karbowski JP28
United States, Michigan, Washtenaw, Park Lyndon Fen
Prairie fen complex on state and county land. Several small lakes and a man-made channel runs through it. The main complex is mostly sedge meadow and peat mounded seep. There is some encroachment by shrubs, trees, and a few invasives (Phragmites, Phalaris arundinacea, Rosa multiflora, Typha angustifolia, T. x glauca). There are also large colonies of Typha latifolia intermittant. Prairie fen dominated by Carex, Poaceae, and Asteraceae such as C. sterilis, C. bumbauxii, C. stricta, Solidago ohioensis, S. rugosa, S. uliginosa, S. altissima, Sorghastrum nutans, Schizachyrium scoparium, and Bromus ciliatus. Other prominent species include Dasiphora fruticosa, Toxicodendron vernix, Valeriana uliginosa, Apocynum cannabinum, and Thelypteris palustris. Some past management of woody cutting, invasive spraying, and burns. Evidense of recent burn in western patches. In central portion of main fen section, 75m east of lake, 25m northeast of Larix laricina and Eleocharis mat area. In a thicket of Betula pumila with some Salix and Cornus. Carex and Poaceae dominant with some Asteraceae. Typha latifolia also common. Ground hummocky with standing water between hummocks. Water orange colored-tannins.
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Record Id: b346c414-f53f-454e-b408-69351943c5c3
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