Eleocharis tenuis (Willd.) J.A. Schult.
Annotated by J. Stephen Shelly, 14 Jul 1992.

Montana: Lake County: "Plum Creek Fen", Swan River Valley; ca. 1 air mi E of Woodward Point, ca. 10 air mi S of Swan Lake (town). Elev. 3330 ft.
47.781° N, 113.8487° W; T23N R18W S1 W 1/2 NW 1/4
Coordinate Source: TRS-website.
West side of Swan River valley, ca. 0.1 air mi. west of Flathead NF Rd. 888, ca. 1 mile south of junction with Rd. 9719.
Abundant, in moist to saturated peat of a well-developed fen, with Betula glandulosa, Carex lasiocarpa, Menyanthes trifoliata, Picea engelmannii, and Epipactis gigantea. Flora of Montana Peatlands, Montana Natural Heritage Program. Phenology: Flowers and Fruits.

J. Stephen Shelly 1671, Jul 14, 1992
With Steve Chadde
MONTU, Accession: 119047