solanum nigrum, persicaria maculosa, amaranthus hybridus, chenopodium album, echinochloa crus-galli, portulaca oleracea, digitaria sanguinalis, echium plantagineum, geranium molle, lysimachia arvensis, malva sylvestris, medicago polymorpha, misopates orontium, ornithopus compressus, sonchus asper, stachys arvensis, verbena officinalis, convolvulus arvensis, trifolium pratense