pinus sylvestris, avenella flexuosa, pteridium aquilinum, dryopteris dilatata, prunus serotina, quercus robur, amelanchier lamarckii, convallaria majalis, frangula alnus, sorbus aucuparia, acer pseudoplatanus, betula pendula, hedera helix, lonicera periclymenum, moehringia trinervia, vaccinium myrtillus