viola arvensis, apera spica-venti, elymus repens, matricaria chamomilla, poa annua, tripleurospermum inodorum, veronica arvensis, veronica hederifolia, vicia hirsuta, aphanes arvensis, arabidopsis thaliana, chenopodium album, fallopia convolvulus, scleranthus annuus, spergula arvensis, veronica triphyllos