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