fr, pas-de-calais, plantago lanceolata, dactylis glomerata, achillea millefolium, cirsium arvense, trifolium repens, vicia sativa, jacobaea vulgaris, lotus corniculatus, holcus lanatus, bromus hordeaceus, lolium perenne, arrhenatherum elatius, medicago lupulina, trifolium pratense, geranium dissectum, daucus carota, trifolium dubium, festuca rubra, centaurea nigra, convolvulus arvensis, heracleum sphondylium, galium verum, vicia hirsuta, polygonum aviculare, ranunculus repens, ononis spinosa, bellis perennis, sonchus asper, cerastium fontanum, cirsium vulgare, poa pratensis, helminthotheca echioides, lysimachia arvensis, rumex acetosa, dipsacus fullonum, senecio vulgaris, raphanus raphanistrum, potentilla reptans, hypochaeris radicata, reseda luteola, agrostis capillaris, agrostis stolonifera, poa trivialis, urtica dioica, cynosurus cristatus, plantago major, rumex crispus, ranunculus bulbosus, poa annua, eryngium campestre