silybum marianum, urtica urens, bromus rubens, bromus sterilis, carduus pycnocephalus, sisymbrium irio, bromus hordeaceus, carduus tenuiflorus, centaurea calcitrapa, convolvulus arvensis, filago pyramidata, helminthotheca echioides, polygonum aviculare, rostraria cristata, rumex obtusifolius