be, arr. leuven, quercus robur, acer pseudoplatanus, fraxinus excelsior, athyrium filix-femina, corylus avellana, sorbus aucuparia, lonicera periclymenum, dryopteris carthusiana, alnus glutinosa, fagus sylvatica, quercus rubra, dryopteris dilatata, sambucus nigra, urtica dioica, juncus effusus, prunus serotina, circaea lutetiana, betula pendula, hedera helix, castanea sativa, anemone nemorosa, betula pubescens, carpinus betulus, frangula alnus, carex remota, glechoma hederacea, deschampsia cespitosa, polygonatum multiflorum, prunus avium, lamium galeobdolon, pteridium aquilinum, geum urbanum, lysimachia vulgaris, galeopsis tetrahit, alnus incana, ficaria verna, dryopteris filix-mas, filipendula ulmaria, primula elatior, populus canadensis, galium aparine, oxalis acetosella, scrophularia nodosa, rubus idaeus, moehringia trinervia, crataegus monogyna, molinia caerulea, ranunculus repens, ajuga reptans, viburnum opulus