be, arr. antwerpen, prunus serotina, pinus sylvestris, quercus rubra, quercus robur, betula pendula, pinus nigra, molinia caerulea, avenella flexuosa, amelanchier lamarckii, calluna vulgaris, sorbus aucuparia, deschampsia flexuosa, frangula alnus, dryopteris dilatata, vaccinium myrtillus, pseudotsuga menziesii, ceratocapnos claviculata, dryopteris carthusiana, castanea sativa, erica tetralix, rhododendron ponticum, carex pilulifera, juncus tenuis, larix kaempferi, betula pubescens, agrostis capillaris, rumex acetosella, fagus sylvatica, rumex angiocarpus, pinus strobus, lonicera periclymenum, agrostis vinealis, ilex aquifolium, geum macrophyllum, erigeron canadensis, juncus effusus, picea abies, galium saxatile, corynephorus canescens, claytonia sibirica, festuca filiformis, pinus pinaster, bidens frondosa, pteridium aquilinum, robinia pseudoacacia, carex arenaria, teucrium scorodonia, senecio inaequidens, cytisus scoparius, senecio sylvaticus