Eurosiberian alderwood

On the wet parts of woods was covered by grey alder (Alnus glutinosa) forests. Ditching has significantly reduced wetlands everywhere. Man made structures have shorter lifespan than trees. By this in some parts wetlands could slowly come back by lacking of drainage system maintenance.

Diagnostic species of Eurosiberian alderwoods
Melnalksnis (Alnus glutinosa) 

Parastais krüklis (Frangula alnus)
Pelēkais kärkls (Salix cinerea)
Sketra (Salix pentandra)
Vilku kärkls (Salix rosmarinifolia) 

lesirmã ciesa (Calamagrostis canescens)
Bebrukärklins (Solanum dulcamara)
Eiropas vilknadze (Lycopus europaeus)
Sekstaina ozolpaparde (Dryopteris cristate)
Parastā purvpaparde (Thelypteris palustrs)
Parasta zeltene (Lysimachia vulgars)
Purva madara (Galium palustre)
Pagarinatais grislis (Carex elongata)
Tübaină bärkstlape (Trichocolea tomentella)
Parastā smailzarite (Calliergonella cuspidata)