be, arr. leuven, betula pendula, quercus robur, prunus serotina, quercus rubra, castanea sativa, pinus sylvestris, agrostis capillaris, teucrium scorodonia, sorbus aucuparia, acer pseudoplatanus, holcus lanatus, salix caprea, urtica dioica, cirsium arvense, hypericum perforatum, fagus sylvatica, pinus nigra, avenella flexuosa, juncus tenuis, dryopteris dilatata, dryopteris carthusiana, carex pilulifera, juncus effusus, lonicera periclymenum, rumex angiocarpus, calluna vulgaris, deschampsia flexuosa, sambucus nigra, pteridium aquilinum, ranunculus repens, frangula alnus, molinia caerulea, rumex acetosella, holcus mollis, calamagrostis epigejos, glechoma hederacea, erigeron canadensis, cytisus scoparius, cirsium vulgare, vaccinium myrtillus, prunella vulgaris, jacobaea vulgaris, luzula campestris, corylus avellana, juncus conglomeratus, robinia pseudoacacia, eupatorium cannabinum, galeopsis tetrahit, achillea millefolium, silene coronaria