be, arr. leuven, populus canadensis, filipendula ulmaria, angelica sylvestris, quercus robur, urtica dioica, ranunculus repens, heracleum sphondylium, alopecurus pratensis, galium aparine, poa trivialis, holcus lanatus, alnus glutinosa, glechoma hederacea, symphytum officinale, arrhenatherum elatius, juncus effusus, galeopsis tetrahit, phalaris arundinacea, cirsium palustre, cirsium arvense, cardamine pratensis, sambucus nigra, fraxinus excelsior, rumex acetosa, iris pseudacorus, lysimachia vulgaris, carex acuta, lythrum salicaria, humulus lupulus, ranunculus acris, stellaria graminea, calystegia sepium, ficaria verna, phragmites australis, agrostis capillaris, ribes rubrum, equisetum palustre, prunus serotina, silene flos-cuculi, corylus avellana, lycopus europaeus, rumex obtusifolius, crataegus monogyna, galium palustre, silene dioica, persicaria hydropiper, cerastium fontanum, geum urbanum, solanum dulcamara, carex acutiformis