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