Alpine macrolichen vegetation in the Canadian Cordillera of Alberta and the Yukon
Date: 1978-10-17
Subject: Lichens
Effects of sulphur dioxide on lichen physiology
Date: 1981-01-01
Opuscula philolichenum
Date: 2026-10-17
Parmelia subaurifera Nyl. and P. fraudans (Nyl.) Nyl. in Greenland
Date: 1956-01-01
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