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