secale cereale, viola arvensis, anthoxanthum aristatum, apera spica-venti, centaurea cyanus, arnoseris minima, elymus repens, equisetum arvense, fallopia convolvulus, matricaria chamomilla, persicaria amphibia, poa annua, polygonum aviculare, rumex acetosella, scleranthus annuus, spergula arvensis, teesdalia nudicaulis, vicia sativa