be, arr. tongeren, quercus robur, pinus sylvestris, frangula alnus, prunus serotina, betula pendula, avenella flexuosa, deschampsia flexuosa, sorbus aucuparia, molinia caerulea, quercus rubra, calluna vulgaris, dryopteris carthusiana, betula pubescens, agrostis capillaris, vaccinium myrtillus, lonicera periclymenum, carex pilulifera, fagus sylvatica, dryopteris dilatata, pteridium aquilinum, holcus mollis, teucrium scorodonia, juncus effusus, rumex angiocarpus, ceratocapnos claviculata, holcus lanatus, rumex acetosella, ilex aquifolium, quercus petraea, castanea sativa, amelanchier lamarckii, populus tremula, moehringia trinervia, rubus idaeus, galium saxatile, cytisus scoparius, erica tetralix, rubus plicatus, pseudotsuga menziesii, pinus nigra, picea abies, galeopsis tetrahit, calamagrostis epigejos, melampyrum pratense, urtica dioica, hypericum perforatum, crataegus monogyna, alnus glutinosa, lysimachia vulgaris, corylus avellana