fr, pas-de-calais, elymus repens, cirsium arvense, lolium perenne, agrostis stolonifera, polygonum aviculare, ranunculus repens, plantago major, trifolium repens, convolvulus arvensis, matricaria chamomilla, poa trivialis, dactylis glomerata, rumex crispus, stellaria media, plantago lanceolata, galium aparine, poa annua, achillea millefolium, urtica dioica, arrhenatherum elatius, vicia sativa, festuca rubra, equisetum arvense, capsella bursa-pastoris, senecio vulgaris, chenopodium album, sonchus oleraceus, geranium dissectum, sonchus arvensis, phragmites australis, sonchus asper, veronica persica, argentina anserina, potentilla reptans, cerastium holosteoides, holcus lanatus, poa pratensis, daucus carota, medicago lupulina, trifolium pratense, calystegia sepium, bromus hordeaceus, fallopia convolvulus, heracleum sphondylium, lysimachia arvensis, ranunculus acris, matricaria discoidea, anthriscus sylvestris, papaver rhoeas, rumex acetosa