be, arr. tongeren, quercus robur, lonicera periclymenum, sorbus aucuparia, corylus avellana, fagus sylvatica, betula pendula, frangula alnus, hedera helix, castanea sativa, betula pubescens, polygonatum multiflorum, acer pseudoplatanus, quercus rubra, teucrium scorodonia, deschampsia flexuosa, avenella flexuosa, vaccinium myrtillus, pteridium aquilinum, prunus serotina, fraxinus excelsior, prunus avium, sambucus nigra, holcus mollis, ilex aquifolium, dryopteris carthusiana, anemone nemorosa, dryopteris dilatata, carpinus betulus, pinus sylvestris, carex pilulifera, molinia caerulea, luzula pilosa, crataegus monogyna, agrostis capillaris, convallaria majalis, populus tremula, quercus petraea, hyacinthoides non-scripta, moehringia trinervia, calluna vulgaris, holcus lanatus, maianthemum bifolium, dryopteris filix-mas, lamium galeobdolon, viburnum opulus, athyrium filix-femina, viola riviniana, glechoma hederacea, arum maculatum, urtica dioica