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