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