be, arr. leuven, betula pendula, fagus sylvatica, quercus robur, pinus sylvestris, prunus serotina, quercus rubra, sorbus aucuparia, castanea sativa, carex pilulifera, avenella flexuosa, teucrium scorodonia, dryopteris carthusiana, lonicera periclymenum, pteridium aquilinum, vaccinium myrtillus, deschampsia flexuosa, frangula alnus, molinia caerulea, acer pseudoplatanus, dryopteris dilatata, agrostis capillaris, calluna vulgaris, juncus effusus, holcus mollis, pinus nigra, betula pubescens, ilex aquifolium, salix caprea, corylus avellana, quercus petraea, holcus lanatus, athyrium filix-femina, picea abies, luzula pilosa, calamagrostis epigejos, urtica dioica, juncus conglomeratus, convallaria majalis, moehringia trinervia, carpinus betulus, rubus idaeus, sambucus nigra, cytisus scoparius, pseudotsuga menziesii, hedera helix, galeopsis tetrahit, rumex angiocarpus, cirsium arvense, dryopteris filix-mas, fraxinus excelsior