Abies grandis
"C. uniflora" occurs in many forest types but it prefers a cool moist coniferous forest consisting of western red cedar ("Thuja plicata"), western hemlock ("Tsuga heterophylla"), grand fir ("Abies grandis"), subalpine fir ("Abies lasiocarpa"), and Pacific silver fir ("Abies amabilis"). It is also associated with western white pine ("Pinus monticola"), Alaska cedar ("Chamaecyparis nootkatensis"), and noble fir ("Abies procera"). Companion species in the understory include threeleaf foamflower ("Tiarella trifoliata"), twinflower ("Linnaea borealis"), and Canadian bunchberry ("Cornus canadensis").