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