be, arr. tongeren, quercus robur, prunus serotina, quercus rubra, betula pendula, sorbus aucuparia, frangula alnus, pinus sylvestris, molinia caerulea, agrostis capillaris, lonicera periclymenum, avenella flexuosa, deschampsia flexuosa, betula pubescens, holcus lanatus, calluna vulgaris, dryopteris carthusiana, holcus mollis, juncus effusus, dryopteris dilatata, amelanchier lamarckii, rumex angiocarpus, rumex acetosella, carex pilulifera, vaccinium myrtillus, castanea sativa, galeopsis tetrahit, fagus sylvatica, urtica dioica, alnus glutinosa, ranunculus repens, ceratocapnos claviculata, sambucus nigra, teucrium scorodonia, cytisus scoparius, hypericum perforatum, rubus gratus, pteridium aquilinum, ilex aquifolium, corylus avellana, lysimachia vulgaris, festuca filiformis, erica tetralix, anthoxanthum odoratum, poa trivialis, hypochaeris radicata, populus tremula, polygonatum multiflorum, rumex acetosa, agrostis stolonifera, cirsium arvense