echinochloa crus-galli, veronica persica, viola arvensis, amaranthus powellii, cirsium arvense, convolvulus arvensis, mentha arvensis, myosotis arvensis, persicaria amphibia, sonchus arvensis, amaranthus retroflexus, barbula unguiculata, euphorbia helioscopia, lamium purpureum, lysimachia arvensis, persicaria maculosa, setaria pumila, sonchus asper, atriplex patula, euphorbia exigua, tortula acaulon, veronica polita