be, arr. leuven, betula pendula, pinus sylvestris, carex pilulifera, quercus robur, castanea sativa, teucrium scorodonia, agrostis capillaris, prunus serotina, quercus rubra, calluna vulgaris, avenella flexuosa, molinia caerulea, fagus sylvatica, deschampsia flexuosa, sorbus aucuparia, frangula alnus, pteridium aquilinum, vaccinium myrtillus, holcus lanatus, juncus effusus, hypericum perforatum, rumex angiocarpus, lonicera periclymenum, dryopteris carthusiana, juncus conglomeratus, pinus nigra, rumex acetosella, juncus tenuis, salix caprea, cirsium arvense, calamagrostis epigejos, cytisus scoparius, holcus mollis, veronica officinalis, dryopteris dilatata, luzula campestris, prunella vulgaris, betula pubescens, acer pseudoplatanus, ilex aquifolium, luzula multiflora, danthonia decumbens, festuca filiformis, centaurium erythraea, urtica dioica, cirsium vulgare, pseudotsuga menziesii, plantago major, achillea millefolium, quercus petraea