fr, pas-de-calais, holcus lanatus, cirsium arvense, ranunculus repens, plantago lanceolata, urtica dioica, arrhenatherum elatius, lolium perenne, dactylis glomerata, poa trivialis, achillea millefolium, trifolium repens, jacobaea vulgaris, heracleum sphondylium, cerastium fontanum, agrostis stolonifera, vicia sativa, crepis capillaris, rumex acetosa, elymus repens, rumex crispus, festuca rubra, trifolium dubium, agrostis capillaris, poa pratensis, trifolium pratense, medicago lupulina, geranium molle, galium aparine, phleum pratense, bromus hordeaceus, vicia hirsuta, cerastium holosteoides, cirsium vulgare, equisetum arvense, rumex obtusifolius, poa annua, ranunculus acris, potentilla reptans, bellis perennis, daucus carota, geranium dissectum, stellaria media, plantago major, glechoma hederacea, veronica arvensis, persicaria amphibia, anthriscus sylvestris, artemisia vulgaris, hypochaeris radicata, convolvulus arvensis