Prairie fen with sedge meadow zone common throughout, wooded fen with many tamaracks (Larix laricina); lots of Frangula alnus. Very long, narrow fen. Split by the headwaters of the Grand River. East side owned by The Nature Conservancy, west side mostly privately owned. Grand River is too deep/silty to cross without use of footbridges. Many zones in fen. Periodic shurbby zones; invasives; Phalaris arundinacea common. 3m from stream; inundated flat with oily film on water; dominated by Carex stricta and C. stipata. Salix spp. Along stream bank. Ground mucky but stable; old Eutrochium maculatum head in the flood plain of stream.
Flowers -in racemes; sepals green, turning yellow after flowering; 2-3mm long; petals white; four per flower; 6mm long.Common in area; sometimes clumped, sometimes dispersed. Clumps not numerous (less than 10). Less than 20 per 10 sq. m.