fr, pas-de-calais, lolium perenne, heracleum sphondylium, ranunculus repens, cirsium arvense, trifolium repens, hordeum vulgare, polygonum aviculare, achillea millefolium, dactylis glomerata, capsella bursa-pastoris, poa trivialis, plantago lanceolata, convolvulus arvensis, geranium dissectum, bromus hordeaceus, plantago major, poa annua, urtica dioica, triticum aestivum, holcus lanatus, stellaria media, chenopodium album, ranunculus acris, senecio vulgaris, matricaria discoidea, galium aparine, veronica persica, rumex acetosa, arrhenatherum elatius, elymus repens, rumex crispus, trifolium pratense, rumex obtusifolius, lamium purpureum, raphanus raphanistrum, papaver rhoeas, vicia faba, sonchus asper, bellis perennis, matricaria chamomilla, vicia sativa, brassica napus, viola arvensis, euphorbia helioscopia, anthriscus sylvestris, poa pratensis, potentilla reptans, agrostis stolonifera, lamium album, phacelia tanacetifolia