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