Introduction 1
1. General data 3
1 .1. The study area 3
1 .2. Geology 4
1.3. Soils 6
1 .4. Climate 7
1 .5. Vegetation 11
2. Materials and methods 12
2.1. Sampling 12
2.2. Preparation techniques 22
2.3. Examination of the material 22
3. General data on the sampling stations 24
4. Systematical part 26
4.1. Species list 31
5. Final remarks 189
6. References 191