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