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