be, arr. leuven, populus canadensis, heracleum sphondylium, arrhenatherum elatius, cirsium arvense, urtica dioica, glechoma hederacea, symphytum officinale, alopecurus pratensis, ranunculus repens, poa trivialis, holcus lanatus, galium aparine, filipendula ulmaria, quercus robur, angelica sylvestris, calystegia sepium, phalaris arundinacea, galeopsis tetrahit, ranunculus acris, dactylis glomerata, crataegus monogyna, tanacetum vulgare, phragmites australis, anthriscus sylvestris, rumex acetosa, sambucus nigra, elymus repens, lathyrus pratensis, fraxinus excelsior, vicia cracca, rumex obtusifolius, stellaria graminea, agrostis capillaris, alnus glutinosa, equisetum arvense, lolium perenne, cerastium holosteoides, humulus lupulus, lythrum salicaria, persicaria amphibia, plantago lanceolata, ficaria verna, juncus effusus, geum urbanum, iris pseudacorus, festuca rubra, cardamine pratensis, agrostis stolonifera, achillea millefolium, centaurea jacea