be, arr. antwerpen, quercus rubra, prunus serotina, pinus sylvestris, quercus robur, pinus nigra, betula pendula, molinia caerulea, amelanchier lamarckii, sorbus aucuparia, calluna vulgaris, avenella flexuosa, deschampsia flexuosa, frangula alnus, rhododendron ponticum, juncus tenuis, dryopteris dilatata, castanea sativa, vaccinium myrtillus, pseudotsuga menziesii, dryopteris carthusiana, agrostis capillaris, ceratocapnos claviculata, erica tetralix, carex pilulifera, betula pubescens, rumex acetosella, fagus sylvatica, geum macrophyllum, rumex angiocarpus, larix kaempferi, bidens frondosa, juncus effusus, erigeron canadensis, lonicera periclymenum, pinus strobus, holcus lanatus, claytonia sibirica, agrostis vinealis, teucrium scorodonia, pilosella aurantiaca, ilex aquifolium, robinia pseudoacacia, epilobium ciliatum, potentilla indica, senecio inaequidens, silene coronaria, juncus bulbosus, crassula helmsii, pinus pinaster, pteridium aquilinum