be, arr. leuven, lolium perenne, arrhenatherum elatius, plantago lanceolata, heracleum sphondylium, dactylis glomerata, achillea millefolium, cirsium arvense, tanacetum vulgare, urtica dioica, trifolium repens, poa trivialis, artemisia vulgaris, ranunculus repens, elymus repens, trifolium pratense, convolvulus arvensis, plantago major, holcus lanatus, daucus carota, glechoma hederacea, poa annua, polygonum aviculare, capsella bursa-pastoris, ranunculus acris, agrostis stolonifera, erigeron canadensis, rumex obtusifolius, bromus hordeaceus, festuca rubra, equisetum arvense, sisymbrium officinale, trifolium dubium, veronica persica, bellis perennis, rumex acetosa, matricaria discoidea, medicago lupulina, crepis capillaris, anthriscus sylvestris, potentilla reptans, medicago sativa, rumex crispus, lamium album, poa pratensis, symphytum officinale, centaurea jacea, vicia sativa, melilotus albus, alopecurus pratensis, calystegia sepium