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