avena sterilis, medicago sativa, alopecurus myosuroides, lolium multiflorum, poa pratensis, bromus hordeaceus, bromus squarrosus, cirsium arvense, poa trivialis, sonchus asper, bromus erectus, convolvulus arvensis, dactylis glomerata, daucus carota, helminthotheca echioides, holcus lanatus, rumex conglomeratus, stellaria media, tragopogon porrifolius