quercus robur, amelanchier lamarckii, frangula alnus, prunus serotina, betula pubescens, fagus sylvatica, lonicera periclymenum, sorbus aucuparia, ilex aquifolium, picea abies, pinus sylvestris, pseudotsuga menziesii, rubus idaeus, avenella flexuosa, ceratocapnos claviculata, dryopteris dilatata, holcus mollis, polygonatum multiflorum, polypodium vulgare