polygonum aviculare, echinochloa crus-galli, hordeum vulgare, tripleurospermum inodorum, chenopodium album, medicago sativa, puccinellia distans, capsella bursa-pastoris, elymus repens, lolium perenne, matricaria discoidea, poa annua, persicaria lapathifolia, thlaspi arvense