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