Nuphar variegata Durand
Annotated by Tyson Kemper, 25 Sep 2003.

Montana: Lincoln County: Kootenai National Forest, Rainbow Lake, 24 mi N of Libby, MT off FS rd 68. Elev. 4237 ft.
T33N R32W S6 S 1/2
Datum: NAD 27. Uncertainty: 800 meters. Coordinate Source: TRS2LL.
Ca. 7 hectare lake surrounded by a floating Sphagnum mat on the E side and non-floating sedge fen on the S,W, and N that covers an additional 7 hectares. Littoral regions of lake characterized by scattered clumps of Potamogeton amplifolius and Nuphar variegatum (neither very dense). Floating mat dominated by dense stand of Carex lasiocarpa, Menyanthes trifoliata, and C interior. Sphagnum cover well-dev. in places, absent in others. Slightly raised, hummocky peatland margins dominated by C. lasiocarpa, C. lenticularis, and Calamagrostis canadensis. A stand of 7 m high Alnus incana borders peatland/upland forest. Forest mixed w/ Pien, Pico, Laoc, and few Abla. Water chem: (mg/L) hardness 25.8 (CaCO3), Ca 6.2, Mg 2.4, K 0.8. Water clear to bottom. Abundance: few, scattered rhiz. patches in 1.0-1.5 m of water, substrate false, floculent. Rooted, floating aquatic, sepals 6, inner 3 yellow. Phenology: Flowers.

R. Bursik 1130, Jun 25, 1988
With C. Clemens
ID, Accession: 99387, Barcode: ID005438