convolvulus arvensis, elymus repens, erigeron canadensis, lactuca serriola, persicaria lapathifolia, sonchus arvensis, sonchus asper, tragopogon dubius, capsella bursa-pastoris, cirsium arvense, sonchus oleraceus, sorghum halepense, bromus sterilis, delphinium hispanicum, hordeum murinum, lactuca viminea, lathyrus tuberosus, papaver rhoeas, rumex crispus