be, arr. leuven, betula pendula, quercus robur, pinus sylvestris, teucrium scorodonia, castanea sativa, fagus sylvatica, agrostis capillaris, carex pilulifera, prunus serotina, quercus rubra, sorbus aucuparia, molinia caerulea, pteridium aquilinum, holcus lanatus, juncus effusus, avenella flexuosa, frangula alnus, juncus conglomeratus, calluna vulgaris, lonicera periclymenum, salix caprea, acer pseudoplatanus, dryopteris carthusiana, calamagrostis epigejos, deschampsia flexuosa, cirsium arvense, hypericum perforatum, vaccinium myrtillus, holcus mollis, cytisus scoparius, pinus nigra, prunella vulgaris, rumex angiocarpus, ranunculus repens, urtica dioica, veronica officinalis, dryopteris dilatata, corylus avellana, luzula campestris, rumex acetosella, luzula multiflora, betula pubescens, ilex aquifolium, eupatorium cannabinum, fragaria vesca, carpinus betulus, quercus petraea, glechoma hederacea, juncus tenuis, cirsium vulgare