echinochloa crus-galli, foeniculum vulgare, amaranthus retroflexus, galium aparine, persicaria lapathifolia, persicaria maculosa, setaria viridis, avena fatua, cirsium arvense, lamium amplexicaule, stellaria media, thlaspi arvense, veronica polita, viola arvensis, chenopodiastrum hybridum, euphorbia exigua, hordeum vulgare