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