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