nl, zuid-limburg, convolvulus arvensis, cirsium arvense, capsella bursa-pastoris, poa annua, senecio vulgaris, papaver rhoeas, plantago lanceolata, lolium perenne, polygonum aviculare, veronica persica, dactylis glomerata, chenopodium album, medicago lupulina, poa trivialis, daucus carota, vicia sativa, achillea millefolium, sonchus asper, veronica arvensis, trifolium repens, bromus hordeaceus, matricaria chamomilla, vicia hirsuta, rumex crispus, sisymbrium officinale, stellaria media, sinapis arvensis, geranium dissectum, elymus repens, artemisia vulgaris, ranunculus repens, sonchus oleraceus, plantago major, lysimachia arvensis, geranium molle, erigeron canadensis, medicago sativa, cerastium glomeratum, lactuca serriola, arrhenatherum elatius, fallopia convolvulus, urtica dioica, galium aparine, arenaria serpyllifolia, potentilla reptans, raphanus raphanistrum, holcus lanatus, trifolium pratense, crepis capillaris, poa pratensis