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