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