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