Vegetation Environmental

The major species of the shrub layer are Salix barclayi (70% cover, 1.8 meters height), Salix planifolia ssp. pulchra (5% cover, 1 meters height), Salix alaxensis (1% cover, 3 meters height) and Sanquisorba officinalis (5% cover). Occasional associates are Vaccinium uliginosum and Potentilla fruticosa. The major species of the herbaceous layer are Rubus arcticus (6% cover), Carex podocarpa (25% cover), Achillea borealis (10% cover), Equisetum palustre (25% cover), Epilobium angustifolium (5% cover) and Arctagrostis latifolia (10% cover). Occasional associates are Sedum rosea (1% cover), Petasites hyperboreus (5% cover), Anemone species (5% cover), Polygonum bistorta (5% cover), Artemisia arctica (5% cover) and Angelica lucida (5% cover). The nonvascular layer was composed of Hylocomium splendens (10% cover), Polytrichium strictum (2% cover), and Aulacomium palustre (5% cover). Occasional associates were Sphagnum species, Tomenhypnum nitens and Cladonia species.

This type is found at an average altitude of 868 meters with a 2% slope and an average aspect of 276 degrees. The range in elevations is 735 to 936 meters, the range in slope is 0% to 7% and there is zero range in aspect. It is found in the Cook Inlet-Susitna lowland physiographic region. The type is found on alluvial deposits in stream valleys. The ground surface is 10% unvegetated with humus cover.