veronica persica, veronica polita, capsella bursa-pastoris, plantago major, sonchus asper, stellaria media, chenopodium album, senecio vulgaris, erigeron canadensis, euphorbia peplus, galinsoga quadriradiata, lepidium coronopus, lepidium didymum, persicaria maculosa, poa annua, sonchus oleraceus, urtica urens