text: apera spica-venti, galinsoga parviflora, veronica persica, argentina anserina, avena fatua, convolvulus arvensis, galeopsis tetrahit, lamium purpureum, lysimachia arvensis, plantago major, poa annua, ranunculus arvensis, sherardia arvensis, sonchus arvensis, stellaria media, veronica polita, vicia sativa, viola arvensis, alopecurus myosuroides, capsella bursa-pastoris, cirsium arvense, euphorbia helioscopia, legousia speculum-veneris, rumex obtusifolius