solanum tuberosum, stellaria media, echinochloa crus-galli, euphorbia peplus, galinsoga quadriradiata, aegopodium podagraria, argentina anserina, convolvulus arvensis, lipandra polysperma, lysimachia arvensis, persicaria maculosa, sonchus asper, trifolium pratense, trifolium repens, veronica persica, capsella bursa-pastoris, crepis biennis, euphorbia helioscopia, oxalis stricta