text: solanum tuberosum, capsella bursa-pastoris, chenopodium album, cirsium arvense, crepis biennis, elymus repens, fallopia convolvulus, mentha arvensis, persicaria maculosa, thlaspi arvense, tripleurospermum inodorum, spergula arvensis, symphytum officinale, tussilago farfara, veronica persica