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