be, arr. leuven, ranunculus repens, juncus effusus, holcus lanatus, urtica dioica, poa trivialis, persicaria hydropiper, bidens frondosa, cirsium arvense, phalaris arundinacea, agrostis stolonifera, rumex acetosa, lolium perenne, lycopus europaeus, cardamine pratensis, alopecurus pratensis, glyceria fluitans, lythrum salicaria, rumex obtusifolius, trifolium repens, equisetum palustre, cirsium palustre, phragmites australis, lysimachia vulgaris, filipendula ulmaria, ranunculus acris, iris pseudacorus, galium palustre, glyceria maxima, lotus pedunculatus, epilobium ciliatum, agrostis capillaris, persicaria amphibia, populus canadensis, galium aparine, cerastium fontanum, juncus acutiflorus, galeopsis tetrahit, symphytum officinale, arrhenatherum elatius, carex acuta, glechoma hederacea, stellaria graminea, angelica sylvestris, heracleum sphondylium, calystegia sepium, lolium multiflorum, silene flos-cuculi, alnus glutinosa, alopecurus geniculatus, plantago lanceolata