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