be, arr. leuven, quercus robur, sorbus aucuparia, quercus rubra, lonicera periclymenum, prunus serotina, acer pseudoplatanus, corylus avellana, castanea sativa, dryopteris dilatata, dryopteris carthusiana, athyrium filix-femina, frangula alnus, fagus sylvatica, alnus glutinosa, betula pendula, fraxinus excelsior, sambucus nigra, juncus effusus, betula pubescens, polygonatum multiflorum, hedera helix, urtica dioica, pinus sylvestris, vaccinium myrtillus, anemone nemorosa, molinia caerulea, pteridium aquilinum, populus canadensis, lamium galeobdolon, teucrium scorodonia, glechoma hederacea, prunus avium, deschampsia flexuosa, maianthemum bifolium, avenella flexuosa, alnus incana, carpinus betulus, galeopsis tetrahit, luzula pilosa, carex remota, lysimachia vulgaris, holcus mollis, carex pilulifera, convallaria majalis, circaea lutetiana, viburnum opulus, ilex aquifolium, moehringia trinervia, geum urbanum, angelica sylvestris