cynodon dactylon, helminthotheca echioides, poa trivialis, alopecurus pratensis, geranium dissectum, allium scorodoprasum, allium vineale, avena fatua, bromus commutatus, bromus sterilis, convolvulus arvensis, galium aparine, lactuca saligna, lactuca serriola, lolium rigidum, setaria viridis, sonchus asper, trifolium echinatum, verbena officinalis, veronica chamaedrys