text: triticum aestivum, apera spica-venti, galium aparine, plantago uliginosa, avena fatua, lathyrus tuberosus, mentha arvensis, myosotis arvensis, persicaria maculosa, tussilago farfara, veronica persica, centaurea cyanus, centaurium pulchellum, chenopodium album, convolvulus arvensis, elymus repens, equisetum arvense, erigeron canadensis, fallopia convolvulus, kickxia elatine, lysimachia arvensis, papaver rhoeas, persicaria amphibia, sonchus arvensis, tripleurospermum inodorum