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