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