hyoscyamus niger, atriplex sagittata, hordeum murinum, linum corymbulosum, poa compressa, cynodon dactylon, cynosurus effusus, poa timoleontis, senecio vulgaris, sinapis arvensis, sonchus oleraceus, convolvulus pilosellifolius, eruca vesicaria, oxalis corniculata, artemisia herba-alba