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