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