text: hordeum vulgare, avena sativa, cirsium arvense, convolvulus arvensis, elymus repens, fallopia convolvulus, lysimachia arvensis, persicaria lapathifolia, stachys palustris, echinochloa crus-galli, equisetum arvense, euphorbia helioscopia, fumaria officinalis, galium aparine, lamium purpureum, polygonum aviculare, sinapis alba, thlaspi arvense, veronica persica, vicia hirsuta