secale cereale, equisetum arvense, centaurea cyanus, scleranthus annuus, achillea millefolium, apera spica-venti, aphanes arvensis, arenaria serpyllifolia, chenopodium album, convolvulus arvensis, fallopia convolvulus, hylotelephium maximum, lamium amplexicaule, papaver dubium, vicia hirsuta, viola arvensis