secale cereale, centaurea cyanus, veronica hederifolia, veronica triphyllos, lamium amplexicaule, roemeria argemone, stellaria media, aphanes arvensis, arenaria serpyllifolia, barbarea vulgaris, buglossoides arvensis, capsella bursa-pastoris, convolvulus arvensis, equisetum arvense, fumaria officinalis, geranium pusillum, lamium purpureum, lycopsis arvensis, sinapis arvensis, thlaspi arvense, viola arvensis