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The vegetation of silver fir forests in southeastern Bohemia (Czech Republic) was studied using the Braun-Blanquet approach. On the basis of 57 phytosociological relevés, three associations were subjectively distinguished: (1) oligotrophic Vaccinio vitis-idaeae-Abietetum, (2) oligo-mesotrophic Luzulo luzuloidis-Abietetum, and (3) mesotrophic Galio rotundifolii-Abietetum (all of them with drier and wetter subtypes). Each association is characterised by species composition, basic soil properties (soil type, humus form), and distribution in the study area. Ellenberg indicator values and detrended correspondence analysis were used to visualize the similarity of vegetation types and detect the main ecological factors determining the proposed classification. The syntaxonomy of fir-dominated forests is discussed.
