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