text: amaranthus hybridus, echinochloa crus-galli, digitaria sanguinalis, oxalis latifolia, persicaria maculosa, capsella bursa-pastoris, chenopodium album, epilobium obscurum, erigeron canadensis, fallopia convolvulus, lactuca virosa, malva sylvestris, poa annua, senecio vulgaris, setaria verticillata, solanum nigrum, sonchus asper, stellaria media, veronica persica