be, arr. leuven, quercus rubra, castanea sativa, prunus serotina, quercus robur, pinus sylvestris, betula pendula, sorbus aucuparia, frangula alnus, vaccinium myrtillus, molinia caerulea, dryopteris dilatata, avenella flexuosa, fagus sylvatica, deschampsia flexuosa, lonicera periclymenum, carex pilulifera, dryopteris carthusiana, calluna vulgaris, teucrium scorodonia, pinus nigra, pteridium aquilinum, agrostis capillaris, acer pseudoplatanus, ilex aquifolium, betula pubescens, pseudotsuga menziesii, amelanchier lamarckii, corylus avellana, juncus effusus, holcus mollis, robinia pseudoacacia, salix caprea, sambucus nigra, convallaria majalis, rhododendron ponticum, athyrium filix-femina, larix kaempferi, cytisus scoparius, holcus lanatus, rumex angiocarpus, hedera helix, quercus petraea, rumex acetosella, juncus tenuis, galeopsis tetrahit, juncus conglomeratus, luzula pilosa, polygonatum multiflorum, urtica dioica, picea abies