secale cereale, centaurea cyanus, equisetum arvense, erigeron canadensis, fallopia convolvulus, achillea millefolium, apera spica-venti, arenaria serpyllifolia, artemisia vulgaris, chenopodium album, convolvulus arvensis, crepis tectorum, delphinium consolida, lycopsis arvensis, lysimachia arvensis, raphanus raphanistrum, roemeria argemone, scleranthus annuus, silene latifolia, spergula arvensis, veronica arvensis, vicia hirsuta, vicia sativa, viola arvensis, papaver dubium