Alopecurus alpinus Sm.
[= Alopecurus magellanicus]
Annotated by Gordon S. Whitehead, 29 Jun 1977. Sources: FPNW.

Idaho: Fremont County: Site 17. Targhee National Forest. Along Henry’s Lake Outlet upstream from the bridge on the road from Island Park Lodge to Big Springs. Some of the collections may have been made in sections 17,18, 19, and 21, but they were all made in or in the margins of, Henry’s Lake Flats; Elevation 1950m. Elev. 1950 m.
44.52329° N, 111.2870235° W; T14N R44E S20 SW 1/4
Datum: WGS 84. Uncertainty: 500 meters. Coordinate Source: BioGeomancer.
Wet meadows, clearings and marshes, and margins of streams. Associated with Carex aquatilis, Pinus contorta, and Senecio triangularis; or with Stipa occidentalis, Sisyrinchium angustifolium, and Ranunculus natans. Voucher: Whitehead, G.S. 1983. M.S., Idaho State U. Flora of the Island Park Geothermal Study Area. Duplicates to: IDS, RM. Phenology: Flowers.

Gordon S. Whitehead 505, 6/29/1977-7/4/1977
IDS, Accession: 2012.012, Barcode: IDS0021573