fr, pas-de-calais, dactylis glomerata, arrhenatherum elatius, plantago lanceolata, achillea millefolium, heracleum sphondylium, lolium perenne, trifolium repens, poa trivialis, convolvulus arvensis, trifolium pratense, cirsium arvense, ranunculus repens, ranunculus acris, potentilla reptans, holcus lanatus, festuca rubra, daucus carota, elymus repens, bromus hordeaceus, rumex acetosa, urtica dioica, centaurea jacea, poa pratensis, plantago major, agrostis stolonifera, bellis perennis, medicago sativa, geranium dissectum, rumex crispus, artemisia vulgaris, glechoma hederacea, pastinaca sativa, vicia sativa, anthriscus sylvestris, tanacetum vulgare, polygonum aviculare, capsella bursa-pastoris, medicago lupulina, cerastium holosteoides, poa annua, alopecurus pratensis, matricaria chamomilla, phleum pratense, trifolium dubium, rumex obtusifolius, galium mollugo, symphytum officinale, trisetum flavescens, cirsium vulgare, equisetum arvense