text: convolvulus arvensis, erigeron canadensis, poa annua, polypogon viridis, stellaria media, trifolium repens, mercurialis annua, ranunculus repens, setaria viridis, sonchus arvensis, sonchus oleraceus, aethusa cynapium, amaranthus graecizans, amaranthus retroflexus, arabidopsis thaliana, bromus tectorum, capsella bursa-pastoris, chenopodium album, crepis capillaris, digitaria sanguinalis, echinochloa crus-galli, elymus repens, euphorbia helioscopia, euphorbia peplus, geranium pusillum, lamium amplexicaule, lamium purpureum, lapsana communis, lysimachia arvensis, lysimachia foemina, malva neglecta, papaver rhoeas, persicaria maculosa, senecio vulgaris, setaria pumila, solanum nigrum, urtica urens, veronica persica, vicia hirsuta, vicia tetrasperma