fr, pas-de-calais, ranunculus repens, lolium perenne, cirsium arvense, convolvulus arvensis, agrostis stolonifera, poa trivialis, trifolium repens, geranium dissectum, althaea officinalis, urtica dioica, plantago major, elymus repens, heracleum sphondylium, oenanthe crocata, plantago lanceolata, potentilla reptans, arrhenatherum elatius, holcus lanatus, ranunculus acris, rumex crispus, polygonum aviculare, dactylis glomerata, galium aparine, trifolium pratense, symphytum officinale, calystegia sepium, epilobium hirsutum, rumex acetosa, poa annua, achillea millefolium, bellis perennis, alopecurus pratensis, argentina anserina, matricaria discoidea, pulicaria dysenterica, chenopodium album, bromus hordeaceus, phalaris arundinacea, festuca rubra, cardamine pratensis, sonchus asper, solanum dulcamara, persicaria maculosa, vicia sativa, rumex obtusifolius, lathyrus pratensis, capsella bursa-pastoris, helminthotheca echioides, phacelia tanacetifolia, stellaria media