secale cereale, centaurea cyanus, galium aparine, scleranthus annuus, spergula arvensis, apera spica-venti, artemisia vulgaris, chenopodium album, cirsium arvense, convolvulus arvensis, hordeum vulgare, mentha arvensis, oxalis acetosella, stachys palustris, stellaria media, tripleurospermum inodorum, viola arvensis