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