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