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