fr, maine-et-loire, persicaria lapathifolia, lipandra polysperma, atriplex prostrata, gnaphalium uliginosum, echinochloa crus-galli, xanthium orientale, chenopodium album, rorippa sylvestris, corrigiola litoralis, oxybasis rubra, eragrostis pilosa, portulaca oleracea, plantago uliginosa, persicaria maculosa, oxybasis glauca, rorippa palustris, phalaris arundinacea, dysphania ambrosioides, tripleurospermum inodorum, bidens tripartita, bidens frondosa, poa annua, polygonum aviculare, cyperus fuscus, rorippa amphibia, panicum capillare, cyperus michelianus, pulicaria vulgaris, rumex crispus, plantago major, cirsium arvense, amaranthus retroflexus, convolvulus arvensis, lindernia dubia, amaranthus blitum, artemisia vulgaris, populus nigra, cyperus esculentus, lythrum salicaria, persicaria hydropiper, urtica dioica, erysimum cheiranthoides, agrostis stolonifera, digitaria sanguinalis, erigeron canadensis, limosella aquatica, sonchus oleraceus, poa trivialis, sonchus asper, elymus repens