be, arr. leuven, quercus robur, prunus serotina, sambucus nigra, sorbus aucuparia, urtica dioica, lonicera periclymenum, fraxinus excelsior, quercus rubra, alnus glutinosa, galium aparine, corylus avellana, populus canadensis, glechoma hederacea, acer pseudoplatanus, galeopsis tetrahit, betula pendula, crataegus monogyna, frangula alnus, poa trivialis, prunus padus, holcus lanatus, humulus lupulus, prunus avium, holcus mollis, hedera helix, heracleum sphondylium, polygonatum multiflorum, ribes rubrum, ranunculus repens, agrostis capillaris, robinia pseudoacacia, geum urbanum, arrhenatherum elatius, dryopteris carthusiana, filipendula ulmaria, dactylis glomerata, moehringia trinervia, viburnum opulus, angelica sylvestris, aegopodium podagraria, ficaria verna, cirsium arvense, juncus effusus, dryopteris dilatata, phalaris arundinacea, amelanchier lamarckii, silene dioica, anemone nemorosa, betula pubescens, lysimachia vulgaris