be, arr. tongeren, quercus robur, sorbus aucuparia, prunus serotina, betula pendula, quercus rubra, pinus sylvestris, avenella flexuosa, deschampsia flexuosa, frangula alnus, dryopteris dilatata, dryopteris carthusiana, agrostis capillaris, lonicera periclymenum, fagus sylvatica, vaccinium myrtillus, holcus mollis, amelanchier lamarckii, galeopsis tetrahit, rubus gratus, calluna vulgaris, molinia caerulea, sambucus nigra, betula pubescens, rumex angiocarpus, holcus lanatus, carex pilulifera, urtica dioica, rumex acetosella, acer pseudoplatanus, pseudotsuga menziesii, ilex aquifolium, ceratocapnos claviculata, rubus idaeus, robinia pseudoacacia, teucrium scorodonia, moehringia trinervia, castanea sativa, corylus avellana, rubus plicatus, hypericum perforatum, pteridium aquilinum, cytisus scoparius, galium aparine, galium saxatile, populus tremula, hedera helix, salix caprea, stellaria media, impatiens parviflora, polygonatum multiflorum