be, arr. leuven, quercus robur, pinus sylvestris, quercus rubra, prunus serotina, molinia caerulea, betula pendula, frangula alnus, sorbus aucuparia, calluna vulgaris, avenella flexuosa, deschampsia flexuosa, castanea sativa, vaccinium myrtillus, agrostis capillaris, lonicera periclymenum, juncus effusus, dryopteris carthusiana, carex pilulifera, dryopteris dilatata, amelanchier lamarckii, pinus nigra, erica tetralix, betula pubescens, rumex angiocarpus, holcus lanatus, rumex acetosella, teucrium scorodonia, silene coronaria, fagus sylvatica, juncus conglomeratus, rhododendron ponticum, juncus tenuis, holcus mollis, juncus acutiflorus, pteridium aquilinum, agrostis vinealis, cytisus scoparius, agrostis canina, festuca filiformis, larix kaempferi, alnus glutinosa, potentilla erecta, pilosella aurantiaca, lysimachia vulgaris, bidens frondosa, danthonia decumbens, hypericum perforatum, luzula multiflora, pseudotsuga menziesii, corylus avellana