picea abies, pinus sylvestris, kindbergia praelonga, pseudoscleropodium purum, avenella flexuosa, brachythecium rutabulum, dryopteris dilatata, frangula alnus, moehringia trinervia, molinia caerulea, quercus robur, quercus rubra, sorbus aucuparia, calluna vulgaris, hedera helix, mnium hornum, prunus serotina, senecio sylvaticus