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