| &nbps; |
|
|
 |
| &nbps; | Colonies of cyanobacteria on the soil surface | Biological soil crust and eplitic lichen on stone | Biological soil crust with cyanobacteria and moss |
| &nbps; |
|
|
|
| &nbps; | Biological soil Crust with cyanobacteria and lichen | Poa sp. plants with biological soil crust | Lichen crust |
| &nbps; |
|
|
|
| &nbps; | Biological soil crust with cyanobacteria and lichen | Crust at the peak of the growth | Biological crust with mosses and liveworts, the latter are Hypticae |