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