Polytrichum strictum Menzies ex Brid.

Montana: Sanders County: Lolo National Forest. About 20 air miles north-northeast of Thompson Falls, on east arm of Fishtrap Lake. Elev. 4050 ft.
47.8682° N, 115.1936° W
Topographic Position: valley bottom. Hydrologic Regime: moist to saturated. Canopy Cover: trees 0%, shrubs 10%, herbs 10%. Slope: flat. General vegetation type: Floating Sphagnum moss mat on lake surface. Scattered shrubs. Dominant associated plants: Alnus incana, Kalmia microphylla, Drosera rotundifolia, Comarum palustre, Carex lasiocarpa, Carex utriculata, Cornus canadensis, Sphagnum centrale. On upper half of 18-inch high Sphagnum hummocks, which appear to coincide with current and former alder clumps. Color: dark green. Growth Habit: Dense patches emerging from Sphagnum. Abundance: common. Substrate: muscicolous.

Craig T. Odegard 171, Oct 1, 2011
WTU, Barcode: WTU-B-076650