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