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