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