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