brassica nigra, helminthotheca echioides, torilis arvensis, bromus secalinus, carduus pycnocephalus, carduus tenuiflorus, convolvulus arvensis, elymus repens, poa trivialis, arrhenatherum elatius, beta vulgaris, bromus sterilis, cirsium vulgare, dactylis glomerata, holcus lanatus, lolium perenne, lotus tenuis, ranunculus sardous, rumex sanguineus, sonchus oleraceus, trifolium squarrosum