persicaria maculosa, solanum tuberosum, amaranthus retroflexus, echinochloa crus-galli, equisetum arvense, fallopia convolvulus, galinsoga parviflora, agrostis gigantea, avena fatua, centaurea cyanus, chenopodium album, cirsium arvense, elymus repens, euphorbia helioscopia, fumaria officinalis, geranium pusillum, papaver dubium, papaver rhoeas, secale cereale, setaria pumila, sisymbrium officinale, thlaspi arvense, tripleurospermum inodorum, urtica urens, veronica arvensis, viola arvensis