be, arr. tongeren, frangula alnus, pinus sylvestris, quercus robur, prunus serotina, quercus rubra, molinia caerulea, betula pendula, sorbus aucuparia, avenella flexuosa, dryopteris carthusiana, deschampsia flexuosa, lonicera periclymenum, betula pubescens, calluna vulgaris, juncus effusus, dryopteris dilatata, pteridium aquilinum, vaccinium myrtillus, fagus sylvatica, teucrium scorodonia, castanea sativa, agrostis capillaris, alnus glutinosa, lysimachia vulgaris, holcus mollis, ceratocapnos claviculata, ilex aquifolium, carex pilulifera, holcus lanatus, urtica dioica, lycopus europaeus, quercus petraea, rumex acetosella, pseudotsuga menziesii, rumex angiocarpus, athyrium filix-femina, cytisus scoparius, pinus nigra, eupatorium cannabinum, moehringia trinervia, picea abies, populus tremula, galeopsis tetrahit, amelanchier lamarckii, rubus idaeus, sambucus nigra, salix cinerea, erica tetralix, bidens frondosa, crataegus monogyna