secale cereale, buglossoides arvensis, centaurea cyanus, cirsium arvense, equisetum arvense, erodium cicutarium, fallopia convolvulus, lycopsis arvensis, persicaria amphibia, roemeria argemone, rumex acetosella, spergula arvensis, stellaria media, tripleurospermum inodorum, veronica hederifolia, veronica triphyllos, viola arvensis