Materials that you will need to make trees.
Some trees are made of plant named “komosa ciernista” or “piana morska” Sea Foam available at Modelmania
| Get Seafoam Seeds | Video Tutorials Tree Making Techniques | Scale Model Leaves |
Grass Fields And Meadows | Scale Model Bushes |
The birch-trees are made of sorrel flower POLAK-9003-NATUREX-MIKRO-ZIELEN-BRZOZOWA/1533 available at Jaga Hobby
| DCC Guide | Online Model Train Club |