be, arr. leuven, quercus rubra, quercus robur, prunus serotina, castanea sativa, sorbus aucuparia, betula pendula, pinus sylvestris, frangula alnus, vaccinium myrtillus, dryopteris dilatata, avenella flexuosa, lonicera periclymenum, molinia caerulea, deschampsia flexuosa, fagus sylvatica, dryopteris carthusiana, carex pilulifera, calluna vulgaris, teucrium scorodonia, pinus nigra, ilex aquifolium, pteridium aquilinum, betula pubescens, agrostis capillaris, acer pseudoplatanus, pseudotsuga menziesii, amelanchier lamarckii, corylus avellana, holcus mollis, quercus petraea, hedera helix, larix kaempferi, sambucus nigra, convallaria majalis, robinia pseudoacacia, juncus effusus, cytisus scoparius, salix caprea, rumex angiocarpus, polygonatum multiflorum, athyrium filix-femina, luzula pilosa, populus tremula, rumex acetosella, picea abies, rhododendron ponticum, prunus avium, holcus lanatus, galeopsis tetrahit, rubus plicatus