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