fr, tarn-et-garonne, chenopodium album, convolvulus arvensis, plantago lanceolata, artemisia vulgaris, erigeron canadensis, vicia sativa, daucus carota, polygonum aviculare, cynodon dactylon, cirsium arvense, poa annua, dactylis glomerata, veronica persica, lactuca serriola, elymus repens, papaver rhoeas, eryngium campestre, bromus sterilis, echinochloa crus-galli, senecio vulgaris, capsella bursa-pastoris, medicago lupulina, sonchus oleraceus, lolium perenne, veronica arvensis, bromus hordeaceus, amaranthus retroflexus, urtica dioica, arrhenatherum elatius, digitaria sanguinalis, plantago major, poa trivialis, potentilla reptans, trifolium repens, setaria helvola, sonchus asper, lysimachia arvensis, silene latifolia, verbena officinalis, rumex crispus, vicia hirsuta, achillea millefolium, echium vulgare, stellaria media, trifolium campestre, galium aparine, aristolochia clematitis, persicaria lapathifolia, solanum nigrum, ambrosia artemisiifolia