Potentilla palustris (L.) Scop.
[= Comarum palustre]

Idaho: Bonner County: Panhandle National forest, Hager Lake, privately owned, ca. 2 mi N of Priest Lake Ranger Station off Hwy 57. 1.5 hectare kettle lake. Elev. 2420 ft.
48.597018° N, 116.971307° W,
Datum: WGS 84. Uncertainty: 587 meters. Coordinate Source: GeoLocate.
0.5 h floating mat dominated by Carex lasiocarpa, C. rostrata, Kalmia microphylla, Vaccinium oxycoccos, Drosera anglica, and D. rotundifolia, which is bordered on the upland side by a moist, moss-covered zone w/ K. microphylla, Lycopus uniflorus, Agrostis scabra, and V. oxycoccos which grades into a dense stand of 1.5 m shrub Spiraea douglasii. This zone is surrounded by trees of Amelanchier alnifolia and Crategus douglasii w/ Agrostis stolonifera and Calamagrostis canadensis in the understory. Extensive fen to N of the lake charcterized by Carex vesicaria, Salix spp. and scattered patches of Pinus contorta. Surrounding forest mixed w/ Pipo, Pico, Psme, Thpl, Pimo, and Abgr. Water chem: pH 6.9, conductivity 20 mmhos, hardness 9.2, Ca 2.5, Mg 0.6, K 0.9, alkalinity 6.5 (all mg/L). Common, rhiz., on floating Spagnum mat w/ C. lasiocarpa. Phenology: Vegetative.

R. Bursik 1437, Jul 31, 1988
With F. Rabe
ID, Accession: 99366, Barcode: ID051038