| Summary: | Author Institution: Institute of Polar Studies and Department of Botany, The Ohio State University Concentrations of seventeen elements are reported for samples of Campylium stellatum, Polytrichum hyperboreum, and Polytrichum commune var. jensenii collected from U.S.-Tundra Biome study sites in the vicinity of Barrow, Alaska. The concentrations of macronutrient elements (P, K, Ca, Mg, N, and S) ranged, on the average, from 0.1% for sulfur to 1.3% for nitrogen. Contents of micronutrient elements (Mn, Fe, B, Cu, Zn, and Mo) ranged, on the average, from 057 ppm for iron to 1.8 ppm for molybdenum. Among the nonessential elements (Na, Si, Al, Sr, and Ba) analyzed, the amounts of silicon and aluminum were especially high.
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