scleranthus annuus, vicia sativa, apera spica-venti, arnoseris minima, centaurea cyanus, rumex acetosella, viola arvensis, cerastium holosteoides, elymus repens, fallopia convolvulus, galeopsis tetrahit, persicaria maculosa, poa annua, polygonum aviculare, raphanus raphanistrum, spergula arvensis, stellaria media, vicia hirsuta