hordeum vulgare, avena fatua, anthemis cotula, setaria pumila, silene noctiflora, galinsoga parviflora, oxalis stricta, sherardia arvensis, chenopodium album, convolvulus arvensis, echinochloa crus-galli, euphorbia exigua, euphorbia helioscopia, euphorbia peplus, galium aparine, lathyrus tuberosus, lysimachia arvensis, persicaria maculosa, polygonum aviculare, stachys palustris, veronica persica