be, arr. leuven, quercus robur, acer pseudoplatanus, lonicera periclymenum, fagus sylvatica, sorbus aucuparia, prunus serotina, betula pendula, quercus rubra, dryopteris carthusiana, fraxinus excelsior, castanea sativa, corylus avellana, athyrium filix-femina, urtica dioica, juncus effusus, dryopteris dilatata, sambucus nigra, teucrium scorodonia, carpinus betulus, glechoma hederacea, alnus glutinosa, frangula alnus, hedera helix, betula pubescens, moehringia trinervia, pteridium aquilinum, agrostis capillaris, polygonatum multiflorum, holcus mollis, anemone nemorosa, galeopsis tetrahit, pinus sylvestris, molinia caerulea, geum urbanum, circaea lutetiana, deschampsia flexuosa, dryopteris filix-mas, avenella flexuosa, prunus avium, convallaria majalis, carex pilulifera, crataegus monogyna, holcus lanatus, scrophularia nodosa, carex remota, ilex aquifolium, lamium galeobdolon, deschampsia cespitosa, ranunculus repens, galium aparine