echinochloa crus-galli, elymus repens, galinsoga parviflora, lepidium coronopus, amaranthus powellii, amaranthus retroflexus, capsella bursa-pastoris, cirsium arvense, euphorbia helioscopia, galinsoga quadriradiata, galium aparine, lamium purpureum, persicaria maculosa, poa annua, solanum tuberosum, stellaria media, thlaspi arvense, tripleurospermum inodorum, veronica persica, arctium tomentosum, lipandra polysperma