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