text: medicago sativa, setaria viridis, solanum nigrum, veronica persica, aethusa cynapium, amaranthus retroflexus, atriplex patula, capsella bursa-pastoris, cichorium intybus, daucus carota, echinochloa crus-galli, elymus repens, euphorbia exigua, fallopia convolvulus, galinsoga parviflora, glechoma hederacea, lolium perenne, lysimachia arvensis, medicago falcata, persicaria maculosa, plantago lanceolata, plantago major, polygonum aviculare, setaria pumila, sonchus arvensis, sonchus asper, stachys annua, stellaria media, trifolium pratense, trifolium repens, viola arvensis, avena fatua, erodium cicutarium, galinsoga quadriradiata, lythrum hyssopifolia