secale cereale, viola arvensis, centaurea cyanus, elymus repens, fallopia convolvulus, agrostemma githago, apera spica-venti, aphanes arvensis, draba verna, lamium amplexicaule, polygonum aviculare, roemeria argemone, setaria viridis, spergula arvensis, stellaria media, trifolium arvense, veronica triphyllos, vicia hirsuta