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