text: amaranthus retroflexus, chenopodium album, convolvulus arvensis, bromus arvensis, bromus sterilis, bromus tectorum, cirsium arvense, cynodon dactylon, echinochloa crus-galli, elymus repens, fumaria schleicheri, hibiscus trionum, lactuca serriola, lathyrus tuberosus, linaria vulgaris, polygonum aviculare, portulaca oleracea, setaria viridis, solanum nigrum, sonchus arvensis, thlaspi arvense, xanthium orientale