secale cereale, stellaria media, veronica hederifolia, gagea pratensis, roemeria argemone, veronica triphyllos, anthemis arvensis, apera spica-venti, arabidopsis thaliana, centaurea cyanus, chenopodium album, draba verna, equisetum arvense, erigeron canadensis, fallopia convolvulus, lamium amplexicaule, lamium purpureum, polygonum aviculare, rumex acetosella, spergula arvensis, thlaspi arvense, vicia sativa, viola arvensis