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