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