secale cereale, ceratodon purpureus, scleranthus annuus, anthemis arvensis, apera spica-venti, rumex acetosella, teesdalia nudicaulis, arnoseris minima, centaurea cyanus, chenopodium album, digitaria ischaemum, equisetum arvense, fallopia convolvulus, galeopsis tetrahit, holcus mollis, persicaria maculosa, polygonum aviculare, riccia glauca, sorbus aucuparia, viola arvensis, corynephorus canescens