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