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