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