fr, maine-et-loire, chenopodium album, gnaphalium uliginosum, artemisia vulgaris, convolvulus arvensis, poa annua, cirsium arvense, polygonum aviculare, persicaria lapathifolia, aristolochia clematitis, urtica dioica, tripleurospermum inodorum, lipandra polysperma, persicaria maculosa, echinochloa crus-galli, plantago major, atriplex prostrata, elymus repens, capsella bursa-pastoris, rorippa sylvestris, portulaca oleracea, tanacetum vulgare, sisymbrium officinale, rumex crispus, phalaris arundinacea, populus nigra, poa trivialis, eryngium campestre, potentilla reptans, bidens frondosa, lolium perenne, sonchus asper, corrigiola litoralis, oxybasis rubra, plantago lanceolata, solanum nigrum, raphanus raphanistrum, sonchus oleraceus, xanthium orientale, rumex obtusifolius, lythrum salicaria, oxybasis glauca, agrostis stolonifera, senecio vulgaris, bidens tripartita, stachys palustris, ranunculus repens, matricaria discoidea, geranium dissectum, erigeron canadensis, amaranthus retroflexus