Trass, H 1999: Primeval forest hemerophobic lichens: conservation strategy. - In: Anon. (ed.): International Conference on Lichen Conservation Biology, Licons. . Swiss Federal Institute for Forest, Snow and Landscape Research, Birmensdorf, Switzerland pp. 77. [RLL List # 180 / Rec.# 21455] Keywords: CONSERVATION/ OLD GROWTH FORESTS
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