solanum tuberosum, amaranthus retroflexus, galium aparine, elymus repens, lathyrus tuberosus, amaranthus powellii, cirsium arvense, convolvulus arvensis, hordeum vulgare, lamium purpureum, malva neglecta, poa annua, sonchus arvensis, trifolium campestre, trifolium repens, tripleurospermum inodorum, veronica persica, viola arvensis, echinochloa crus-galli, senecio vulgaris