anthoxanthum aristatum, apera spica-venti, centaurea cyanus, galeopsis tetrahit, persicaria hydropiper, ranunculus repens, stellaria media, viola arvensis, arnoseris minima, fallopia convolvulus, persicaria amphibia, polygonum aviculare, rumex acetosella, scleranthus annuus, teesdalia nudicaulis, vicia hirsuta