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