Spiraea douglasii Hook. var. menziesii (Hook.) C. Presl

Idaho: Bonner County: Hager Lake; private land. about 2 mi N of Priest Lake Ranger Station off Hwy 57. Elev. 2640 ft.
T61N R05W S34
Datum: WGS 84. Uncertainty: 651 meters. Coordinate Source: Digital Map. Updated PLSS from T36N to T61N.
Ca. 3 acre kettle lake surrounded on S side by 1 acre floating mat dominated by Carex lasiocarpa, C. rostrata, Kalmia microphylla, Vaccinium oxycoccos, Drosera anglica, and D. rotundifolia, which is surrounded on the upland side by a moist, moss-covered zone with K. micorphylla, Lycopus uniflorus, Agrostis scabra, and V. oxycoccos which grades into a dense stand of 1.5 m high Spiraea douglasii surrounded by trees of Crategus douglasii, Amelanchier alnifolia with Calamagrostis canadensis and A. stolonifera in the understory. Surrounding forest mixed with Pinus ponderosa, P. contorta, P. monticola, Thuja plicata, Pseudotsuga menziesii, and Abies grandis all well-represented. Water chemistries: pH 6.9, conductivity 16 mmhos, alkalinity 4 mg/L, Ca 2 mg/L, Mg 0.5 mg/L. On moist peat substrate with moss accumulation. Abundance: prominent shrub to 1.5 m tall. Private land. Phenology: Flowers.

R. Bursik 349, Jul 7, 1987
ID, Accession: 96168, Barcode: ID053677