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