Scheuchzeria palustris L.

Idaho: Bonner County: [locality and coordinates withheld; status in Idaho: S2 (Imperiled; IDNHP)],
Ca. 5 h lake surrounded by peatland compex. Floating Sphagnum mat immediately surrounding the lake dominated by Carex lasiocarpa, C rostrata, Menyanthes trifoliata, and Kalmia microphylla. Extensive shrub carr surrounding floating mat dominated by Betula glandulosa and Spiraea douglasii. Littoral regions of the lake characterized by rhizomatous stands of several aquatic macrophytes including Potamogeton amplifolius Nuphar polysepalum in water 1 dm -2 m deep. Shrub carr distrurbed, particularly on the N side due to draining activities, although floating mat remains relatively undisturbed. Surrounding forest mixed w. Pinus contorta, Tsuga heterophylla, Picea engelmanii, Larix occidentalis, Pinus monticola, and Thuja plicata, being prominent. Water chem.: pH 7.4, hardness (mg/L) 21, conductivity 45 mmhos, Ca 6.4, Mg 1.3, K 0.8 (all mg/L). With C. lasiocarpa and Vaccinium oxycoccos. Few, scattered on floating Sphagnum mat. Private land. Phenology: Flowers.

Robert Bursik 1043, May 18, 1988
With M. Mancuso
ID, Accession: 125031, Barcode: ID006228