text: euphorbia helioscopia, hordeum vulgare, lamium purpureum, amaranthus retroflexus, elymus repens, lipandra polysperma, amaranthus powellii, anthemis cotula, capsella bursa-pastoris, convolvulus arvensis, echinochloa crus-galli, geranium dissectum, papaver rhoeas, persicaria lapathifolia, sinapis arvensis, sonchus asper, sonchus oleraceus, thlaspi arvense, veronica persica, veronica polita, galinsoga quadriradiata, plantago uliginosa, viola arvensis