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