be, arr. leuven, quercus robur, populus canadensis, urtica dioica, fraxinus excelsior, glechoma hederacea, alnus glutinosa, filipendula ulmaria, angelica sylvestris, sambucus nigra, corylus avellana, galeopsis tetrahit, heracleum sphondylium, crataegus monogyna, ribes rubrum, prunus serotina, acer pseudoplatanus, galium aparine, lonicera periclymenum, symphytum officinale, ranunculus repens, sorbus aucuparia, betula pendula, viburnum opulus, poa trivialis, ficaria verna, geum urbanum, juncus effusus, quercus rubra, cardamine pratensis, humulus lupulus, anemone nemorosa, cirsium palustre, athyrium filix-femina, holcus lanatus, prunus avium, frangula alnus, lysimachia vulgaris, alnus incana, cirsium arvense, moehringia trinervia, phragmites australis, dryopteris carthusiana, iris pseudacorus, phalaris arundinacea, polygonatum multiflorum, arrhenatherum elatius, deschampsia cespitosa, agrostis capillaris, calystegia sepium, hedera helix