Calamagrostis canadensis (Michx.) Beauv. var. acuminata Vasey ex Shear & Rydb.
[= Calamagrostis stricta ssp. inexpansa]

Idaho: Bonner County: Private land, Hager Lake, ca 2 miles N of Priest Lake Ranger Station off of Hwy 57. Elev. 2640 ft.
T61N R05W S34
Datum: WGS 84. Uncertainty: 1138 meters. Coordinate Source: Calc. from TRS. Updated PLSS locality from T36N to T61N.
Ca 3 acre kettle lake surrounded on S side by 1 acre floating mat dominated by Carex lasiocarpa, C. rostrata, Kalmia microphylla, Vaccinium oxycoccos, Drosera anglica, and D. rotundifolia, which is surrounded on the upland side by a moist, moss-covered zone w/ K. micorphylla, Lycopus uniflorus, Agrostis scabra, and V. oxycoccos which grades into a dense stand of 1.5 m high Spiraea douglasii surrounded by trees of Crategus dougalsii, Amelanchier alnifolia w/ Calamagrostis canadensis and A. stoloifera in the understory. Surrounding forest mixed w/ Pinus ponderosa, P. contorta, P. monticola, Thuja plicata, Psuedotsuga menziesii, and Abies grandis all well-represented. Water chem: pH 6.9, conductivity 16 mmhos, alkalinity 4 mg/L, Ca 2 mg/l, Mg 0.5 mg/L. Few on the SW side of the lake in border between open Sphagnum mat and dense stand of S. douglasii. Phenology: Fertile.

R. Bursik 366, Jul 7, 1987
ID, Accession: 96444, Barcode: ID025307