fr, pas-de-calais, plantago major, polygonum aviculare, trifolium repens, lolium perenne, cirsium arvense, agrostis stolonifera, ranunculus repens, plantago lanceolata, elymus repens, poa annua, poa trivialis, chenopodium album, convolvulus arvensis, achillea millefolium, potentilla reptans, dactylis glomerata, matricaria chamomilla, rumex crispus, holcus lanatus, urtica dioica, geranium dissectum, artemisia vulgaris, bromus hordeaceus, arrhenatherum elatius, trifolium pratense, ranunculus acris, festuca rubra, argentina anserina, vicia sativa, senecio vulgaris, bellis perennis, capsella bursa-pastoris, stellaria media, poa pratensis, matricaria discoidea, sonchus asper, ranunculus sardous, agrostis capillaris, heracleum sphondylium, persicaria maculosa, scorzoneroides autumnalis, trifolium fragiferum, cirsium vulgare, gnaphalium uliginosum, daucus carota, althaea officinalis, rumex acetosa, galium aparine, raphanus raphanistrum, linaria vulgaris