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