be, arr. hasselt, prunus serotina, quercus rubra, quercus robur, sorbus aucuparia, betula pendula, castanea sativa, pinus sylvestris, lonicera periclymenum, frangula alnus, dryopteris carthusiana, fagus sylvatica, dryopteris dilatata, avenella flexuosa, vaccinium myrtillus, deschampsia flexuosa, molinia caerulea, acer pseudoplatanus, betula pubescens, amelanchier lamarckii, carex pilulifera, teucrium scorodonia, ilex aquifolium, corylus avellana, pteridium aquilinum, pinus nigra, agrostis capillaris, sambucus nigra, calluna vulgaris, robinia pseudoacacia, holcus mollis, convallaria majalis, pseudotsuga menziesii, hedera helix, polygonatum multiflorum, galeopsis tetrahit, moehringia trinervia, prunus avium, urtica dioica, maianthemum bifolium, athyrium filix-femina, rhododendron ponticum, juncus effusus, carpinus betulus, larix kaempferi, luzula pilosa, picea abies, holcus lanatus, quercus petraea, populus tremula, salix caprea