be, arr. leuven, quercus robur, lonicera periclymenum, corylus avellana, sorbus aucuparia, fraxinus excelsior, fagus sylvatica, athyrium filix-femina, betula pubescens, acer pseudoplatanus, carpinus betulus, polygonatum multiflorum, betula pendula, dryopteris carthusiana, hedera helix, anemone nemorosa, frangula alnus, alnus glutinosa, quercus rubra, juncus effusus, urtica dioica, holcus mollis, glechoma hederacea, pteridium aquilinum, castanea sativa, prunus serotina, dryopteris dilatata, sambucus nigra, ranunculus repens, circaea lutetiana, geum urbanum, poa trivialis, prunus avium, deschampsia cespitosa, lamium galeobdolon, galeopsis tetrahit, teucrium scorodonia, ajuga reptans, angelica sylvestris, filipendula ulmaria, carex remota, crataegus monogyna, ficaria verna, holcus lanatus, galium aparine, molinia caerulea, viburnum opulus, oxalis acetosella, agrostis capillaris, primula elatior, viola riviniana