be, arr. tongeren, quercus robur, prunus serotina, sorbus aucuparia, quercus rubra, betula pendula, dryopteris dilatata, lonicera periclymenum, frangula alnus, pinus sylvestris, fagus sylvatica, dryopteris carthusiana, avenella flexuosa, amelanchier lamarckii, deschampsia flexuosa, acer pseudoplatanus, sambucus nigra, vaccinium myrtillus, castanea sativa, corylus avellana, ilex aquifolium, betula pubescens, molinia caerulea, agrostis capillaris, galeopsis tetrahit, hedera helix, pseudotsuga menziesii, holcus mollis, urtica dioica, polygonatum multiflorum, carex pilulifera, robinia pseudoacacia, pteridium aquilinum, rubus gratus, prunus avium, moehringia trinervia, calluna vulgaris, rubus idaeus, holcus lanatus, teucrium scorodonia, ceratocapnos claviculata, fraxinus excelsior, glechoma hederacea, galium aparine, populus tremula, pinus nigra, alnus glutinosa, maianthemum bifolium, dryopteris filix-mas, impatiens parviflora, larix kaempferi