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