Rhododendron albiflorum Hook.

Idaho: Boundary County: Panhandle National Forest, W Fk W Fk Smith Creek RNA, ca 30 mi N of Bonner's Ferry, Selkirk Range, to the north of W Fk Cabin. Elev. 5520 ft.
T64N R03W S29 SE
Datum: WGS 84. Uncertainty: 1040 meters. Coordinate Source: Digital Map. Updated PLSS from T39N to T64N.
Large sloping wetland complex with scattered ponds surrounded by Sphagnum mats which are dominated by Carex prionophylla (immediately around ponds) and Eriophorum polystachion in low, wet areas. Wetter understories characterized by Rhododendron albiflorum, Vaccinium occidentale, Senecio triangularis and Menziesia ferruginea. Along meadow margin bordering small raised upland areas w/ trees of A. lasiocarpa, M. ferruginea, and Senecio triangularis. Some Sphagnum accumulation, substrate very moist to wet. Shrub to 1 m high; prominent. Surrounding forest patchy on raised areas and along streams dominated mostly by Abies lasiocarpa and Picea engelmanii w/ scattered Pinus albicaulis seedlings. Understory species in more mesic areas include Xerophyllum tenax and Vaccinium globulare. Phenology: Fruits.

R. Bursik 507, Jul 25, 1987
With P. Gier
ID, Accession: 98552, Barcode: ID104064