text: solanum tuberosum, echinochloa crus-galli, galinsoga parviflora, panicum miliaceum, amaranthus retroflexus, convolvulus arvensis, galium aparine, persicaria lapathifolia, capsella bursa-pastoris, cirsium arvense, elymus repens, euphorbia helioscopia, thlaspi arvense, lamium purpureum, silene latifolia, sinapis arvensis, viola arvensis