Pinus contorta* (Lodgepole Pine) branch/leaf oil, Abies grandis* (Grand Fir) branch/leaf oil, Pinus ponderosa* (Ponderosa Pine) branch/leaf oil, Abies iasiocarpa* (Subalpine Fir) branch/leaf oil, Pseudotsuga menziesii* (Balsam Oregon) branch/leaf oil, Pinus Sylestris* (Scotch Pine) leaf oil, Abies iasiocarpa* (Corkbark Fir) branch/leaf oil, Abies balsamea* (Balsam Canada) needle oil, Pinus Aristata* (Bristlecone Pine) branch/leaf oil, Picea pungens* (Blue Spruce) branch/leaf oil, Pinus monticola* (White Pine) branch/leaf oil, Picea engelmannii* (Englemann spruce) oil branch/leaf oil, Larix occidentalis* (Western larch) branch/leaf oil, Tsuga heterophylla* (Western hemlock) branch/leaf oil.