Northern red-backed vole northern forest and shrubland habitats. They occur in every major forest type in central Alaska. Plant species commonly found in areas occupied by northern red-backed voles include black spruce ("Picea mariana"), white spruce ("P. glauca"), quaking aspen ("Populus tremuloides"), paper birch ("Betula papyrifera"), alder ("Alnus" spp.), willow ("Salix" spp.), mountain cranberry ("Vaccinium vitis-idaea"), blueberry and bilberry ("Vaccinium" spp.), bunchberry ("Cornus canadensis"), and a variety of grasses and forbs. Important fungi, mosses and lichens include truffle ("Endogone fascilulata"), Schreber's moss ("Pleurozium schreberi"), mountain fern moss ("Hylocomium splendens"), sphagnum ("Sphagnum" spp.), and lichens ("Cladonia and Peltigera" spp.). The breeding season of northern
Sphagnum palustre light brown with stem diameters of 0.6 to 1.2 millimeters. The epidermis (Hyalodermis) of the stem is built in three layers and their cells form 1 to 3 seldom more pores and contain much spiral fibers. The branches are tufted forming clusters of three to six on the little stems. The heads are a little more pigmented and egg-shaped. "Sphagnum palustre" plants are spread across the whole of Europe and also can be found in parts of America, Australia and New Zealand. It is comparatively frequent and grows on moist and wet habitats like wet forests, often coniferous forests, on