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