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