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