Sommer, WH 1970: Das . - Herzogia2: 116-122. [RLL List # 78 / Rec.# 17751] Keywords: CLADONIA/ GERMANY
Abstract: Silicate dry pastures of the class Sedoscleranthea often contain subassociations from the lichen Cladonia, but the Cladonia -arrangement of those formations, well known as cladonietosum, is not always the same one. The combination of the Cladonia-species is variable. It will be shown, that some different ecological circumstances in sand dry pastures demand a splitting of the traditional comprehention "cladonietosum" into three new conceptions.
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