Utricularia gibba L.

Montana: Lincoln County: Kootenai National Forest, Loon Lake, 20 mi NW of Libby. Elev. 3640 ft.
T33N R32W
Ca. 13 h, Long narrow lake w/ one extensive (1h) floating Sphagnum mat on the SE side which is surrounded on all sides by water. The open water is entirely littoral w/ scattered patches of floating Potamogeton natans and Nuphar variegatum being dominant. The mat is dominated in areas by Carex lasiocarpa, C. cusickii, C. rostrata, and Eriophorum gracile. Surrounding forest mixed w/ Pinus contorta, P. monticola, Larix occ., and Abies gr. Surface water relatively nutrient rich for a peatland: (all in mg/L) hardness 109.8, Ca 33.8, Mg 6.12, K 0.8. Common, free-floatind submergent aquatic setting on bottom of 1.0-1.5 m of water beneath rhiz stand of P. natans and N. variegatum. Phenology: Uncertain.

R. Bursik 1078B, Jun 23, 1988
With C. Clemens
ID, Accession: 161693, Barcode: ID126214