Potamogeton natans L.
Annotated by Robert R. Haynes, 1995.

Idaho: Bonner County: State land; Chase Lake; 3 mi SE of Coolin, ID. Ca. 50 h lake; peatland complex on S end of the lake. Elev. 710 m.
T59N R04W S14 S 1/2
Datum: NAD 27. Uncertainty: 800 meters. Coordinate Source: TRS2LL.
Large, open peatland complex consists of open, floating Sphagnum mats immediately surrounding the lake dominated by Carex lasiocarpa and C. rostrata; scattered marshy areas dominated by Typha latifolia, often on Sphagnum-covered substrate; and shrub carrs adjacent to uplands forests characterized by Alnus incana, Betula glandulosa, and Spiraea douglasii. Littoral regions of the lake characterized by rhizomatous stands of several aquatic macrophytes including Brasenia schreberi, Nymphaea oderata, and Nuphar polysepalum in water 1dm-2 m deep. Surrounding forest mixed w/ Populus tremuloides, Picea engelmannii, Pinus monticola, and Thuja plicata being prominent. Water chem.: pH 7.2, hardnesss (mg/L as CaCO3) 11.3, alkalinity (mg/L) 16, conductivity 70 mmhos. Abundance: few, scattered individuals, most common near floating Sphagnum mater in water 1-1.5 m deep. Rooted, floating aquatic. Phenology: Uncertain.

R. Bursik 952, Oct 11, 1987
With M. Simpson
ID, Accession: 99451, Barcode: ID006608