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