triticum aestivum, centaurea cyanus, apera spica-venti, artemisia vulgaris, convolvulus arvensis, galium aparine, buglossoides arvensis, cirsium arvense, equisetum arvense, fumaria vaillantii, melampyrum arvense, mentha arvensis, papaver rhoeas, roemeria argemone, secale cereale, veronica hederifolia, veronica triphyllos, viola arvensis