Potamogeton praelongus Wulfen
Annotated by Robert R. Haynes, 1995.

Idaho: Bonner County: State land; Chase Lake; 3 mi SE of Coolin. Ca. 50 h lake; peatland complex consists on S end of the lake. Elev. 710 m.
T59N R4W 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 adjacent t o upland 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, Nymphaia odorata, and Nuphar polysepalum in water ldm-2 m deep. Surrounding forest mixed w/ Populus tremuloides, Picea engelmanii, Pinus monticola, and Thuja plicata being prominent. Water chem.: pH 7.2, hardness (mg/L as CaCO3) 11.3, alkalinity (mg/L) 16, conductivity 70 mmhos. With B. schreberi. Abundance: few, scattered, rooted submergent in water >2.0m deep. Phenology: Uncertain.

R. Bursik 1584, Sep 4, 1988
With F. Rabe & C. Clemens
ID, Accession: 99373, Barcode: ID006707