be, arr. leuven, castanea sativa, quercus rubra, pinus sylvestris, prunus serotina, fagus sylvatica, sorbus aucuparia, quercus robur, vaccinium myrtillus, pinus nigra, betula pendula, molinia caerulea, carex pilulifera, dryopteris dilatata, pseudotsuga menziesii, avenella flexuosa, frangula alnus, ilex aquifolium, dryopteris carthusiana, calluna vulgaris, lonicera periclymenum, deschampsia flexuosa, teucrium scorodonia, pteridium aquilinum, rhododendron ponticum, acer pseudoplatanus, potentilla indica, larix kaempferi, juncus effusus, juncus tenuis, picea abies, athyrium filix-femina, convallaria majalis, corylus avellana, amelanchier lamarckii, pilosella aurantiaca, robinia pseudoacacia, silene coronaria, larix decidua, agrostis capillaris, galinsoga quadriradiata, betula pubescens, hedera helix, salix caprea, quercus petraea, plantago subulata, pinus strobus, cytisus scoparius, oxalis stricta, juncus conglomeratus, luzula pilosa