be, arr. leuven, betula pendula, agrostis capillaris, teucrium scorodonia, quercus robur, hypericum perforatum, holcus lanatus, pinus sylvestris, rumex angiocarpus, cirsium arvense, cytisus scoparius, calluna vulgaris, rumex acetosella, castanea sativa, prunus serotina, carex pilulifera, juncus conglomeratus, luzula campestris, achillea millefolium, calamagrostis epigejos, prunella vulgaris, pteridium aquilinum, centaurium erythraea, molinia caerulea, avenella flexuosa, holcus mollis, juncus effusus, quercus rubra, salix caprea, frangula alnus, jacobaea vulgaris, veronica officinalis, ranunculus repens, hypochaeris radicata, lonicera periclymenum, festuca rubra, stellaria graminea, anthoxanthum odoratum, arrhenatherum elatius, plantago lanceolata, urtica dioica, trifolium repens, cirsium vulgare, festuca filiformis, deschampsia flexuosa, sorbus aucuparia, fragaria vesca, juncus tenuis, fagus sylvatica, lotus corniculatus, danthonia decumbens