be, arr. leuven, quercus rubra, castanea sativa, prunus serotina, pinus sylvestris, betula pendula, quercus robur, pinus nigra, sorbus aucuparia, vaccinium myrtillus, fagus sylvatica, avenella flexuosa, carex pilulifera, molinia caerulea, dryopteris dilatata, deschampsia flexuosa, calluna vulgaris, teucrium scorodonia, dryopteris carthusiana, frangula alnus, juncus tenuis, lonicera periclymenum, pteridium aquilinum, pseudotsuga menziesii, agrostis capillaris, juncus effusus, acer pseudoplatanus, rhododendron ponticum, ilex aquifolium, salix caprea, robinia pseudoacacia, larix kaempferi, amelanchier lamarckii, betula pubescens, cytisus scoparius, picea abies, potentilla indica, erigeron canadensis, athyrium filix-femina, larix decidua, silene coronaria, rumex acetosella, rumex angiocarpus, pilosella aurantiaca, holcus lanatus, juncus conglomeratus, corylus avellana, oxalis stricta, holcus mollis, urtica dioica, hypericum perforatum