be, arr. tongeren, quercus robur, prunus serotina, quercus rubra, sorbus aucuparia, betula pendula, lonicera periclymenum, frangula alnus, pinus sylvestris, avenella flexuosa, deschampsia flexuosa, molinia caerulea, dryopteris carthusiana, dryopteris dilatata, betula pubescens, castanea sativa, amelanchier lamarckii, fagus sylvatica, agrostis capillaris, vaccinium myrtillus, holcus mollis, ilex aquifolium, calluna vulgaris, corylus avellana, carex pilulifera, teucrium scorodonia, sambucus nigra, acer pseudoplatanus, pteridium aquilinum, hedera helix, holcus lanatus, rubus gratus, polygonatum multiflorum, galeopsis tetrahit, robinia pseudoacacia, urtica dioica, juncus effusus, populus tremula, ceratocapnos claviculata, alnus glutinosa, crataegus monogyna, moehringia trinervia, pseudotsuga menziesii, glechoma hederacea, pinus nigra, prunus avium, rumex angiocarpus, cytisus scoparius, fraxinus excelsior, rumex acetosella, rubus plicatus