be, arr. antwerpen, quercus robur, populus canadensis, fraxinus excelsior, acer pseudoplatanus, sambucus nigra, glechoma hederacea, urtica dioica, corylus avellana, alnus glutinosa, ribes rubrum, lonicera periclymenum, sorbus aucuparia, galium aparine, prunus serotina, geum urbanum, crataegus monogyna, poa trivialis, silene dioica, heracleum sphondylium, galeopsis tetrahit, hedera helix, filipendula ulmaria, ficaria verna, angelica sylvestris, quercus rubra, humulus lupulus, moehringia trinervia, polygonatum multiflorum, ranunculus repens, viburnum opulus, prunus avium, betula pendula, symphytum officinale, circaea lutetiana, anemone nemorosa, geranium robertianum, holcus lanatus, stachys sylvatica, athyrium filix-femina, adoxa moschatellina, prunus padus, arum maculatum, dryopteris carthusiana, dryopteris dilatata, primula elatior, aegopodium podagraria, betula pubescens, alnus incana, cardamine pratensis, populus canescens