Janet E. Marsh is a Canadian lichenologist in Calgary, Alberta, Canada she has published information about certain species of Niebla Selected publications * Marsh, J.E. and T.H. Nash, III. 1979. Lichens in relation to the Four Corners Power Plant in New Mexico. -The Bryologist 82: 20-28. * Vitt, D.H., J.E. Marsh and R.B. Bovey. 2007. Mosses, Lichens & Ferns of Northwest North America. Lone Pine Publishing, Edmonton, Alberta, and University of Washington Press, Seattle. 296 pp. ISBN 1-55105-569-4 * Timoney, K.P. and J. E. Marsh. 2004. Lichen trimlines in northern Alberta: establishment, growth rates, and historic water levels. The Bryologist 107(4): 429-440.
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