text: galinsoga quadriradiata, cerastium holosteoides, cirsium arvense, fallopia convolvulus, galinsoga parviflora, arabidopsis thaliana, atriplex patula, campanula rapunculoides, capsella bursa-pastoris, chenopodium album, lamium amplexicaule, lamium purpureum, matricaria discoidea, poa annua, tripleurospermum inodorum, veronica arvensis, veronica polita, viola arvensis, sonchus asper, sonchus oleraceus, veronica persica