Carex chordorrhiza Ehrh. ex L. f.

Idaho: Bonner County: [locality and coordinates withheld; status in Idaho: S2 (Imperiled; IDNHP)],
Large, open peatland complex consists of open, floating Sphagnum mats immediately surrounding the lake dominated by C. lasiocarpa and C. rostrata, scattered marshy areas dominated by Typha latifolia, often on Sphagnum covered substrate; and shrub carrs adjacent to upland forests characterized by Alnus incana, Betula gladulosa, and Spiraea douglasii. Littoral regions of the lake characterized by rhizomatous stands of several aquatic macrophytes including Brasenia schreberi, Nymphaea odorata, and Nuphar polysepalum in water 1-2 dm deep. Surrounding forest mixed w/ Populus tremuloides, Picea engelmanii, Pinus monticola, and Thuja plicata being prominent. Water chem.: pH 7.2, harness (mg/L as CaCO3) 11.3, alkalinity (mg/L) 16, conductivity 70 mmhos. Abundance: rare, growing on Sphagnum hummocks w/ Vaccinium oxycoccos and C. limosa. Perhaps the first collection of this species in the state. Phenology: Flowers.

R. Bursik 1006, May 17, 1988
With M. Mancuso
ID, Accession: 99419, Barcode: ID016553