be, arr. leuven, quercus robur, betula pendula, castanea sativa, teucrium scorodonia, prunus serotina, quercus rubra, agrostis capillaris, frangula alnus, sorbus aucuparia, lonicera periclymenum, pinus sylvestris, calluna vulgaris, deschampsia flexuosa, avenella flexuosa, holcus mollis, molinia caerulea, carex pilulifera, rumex angiocarpus, pteridium aquilinum, vaccinium myrtillus, rumex acetosella, holcus lanatus, betula pubescens, cytisus scoparius, festuca filiformis, dryopteris dilatata, hypericum perforatum, corylus avellana, dryopteris carthusiana, hieracium umbellatum, fagus sylvatica, sambucus nigra, acer pseudoplatanus, robinia pseudoacacia, salix caprea, populus tremula, luzula campestris, juncus effusus, agrostis vinealis, hedera helix, anthoxanthum odoratum, danthonia decumbens, urtica dioica, hypochaeris radicata, prunus avium, crataegus monogyna, calamagrostis epigejos, galeopsis tetrahit, potentilla erecta, luzula multiflora