Cornus sericea L. ssp. occidentalis (Torr. & A. Gray) Fosberg
[= Cornus occidentalis]
Annotated by Rose Longworth, 17 Sep 2009.

Idaho: Bonner County: Panhandle Nat. Forest; Kaniksu Marsh RNA; ca 8 miles S of Priest Lake. Elev. 2480 ft.
T59N R04E S25 NW
Datum: WGS 84. Uncertainty: 742 meters. Coordinate Source: Digital Map.
Large open Sphagnum fen dominated by Carex lasiocarpa, C. rostrata, Dulichium arundinaceum, and Scirpus acutus surrounded by a shallow moat (0.1 to >1 m deep) which is dominated by Brasenia schreberi, Nuphar polysepalum, and Potamogeton natans. Surrounding forest dominated to the E by P. ponderosa and P. contorta and to the W by P. monticola, Thuja plicata, Abies grandis, Picea engelmannii, and Tsuga heterophylla. Water chemistries: total hardness 10 mg/l, Ca 2.72 mg/l, Mg 0.78 mg/l. Substrate pH 5.5. With Spiraea douglasii on W end of peatland on moist moat margins. Common. Large spreading shrub to 4 m high. Phenology: Fruits.

R. Bursik 379, Jul 7, 1987
ID, Accession: 96175, Barcode: ID095490