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