echinochloa crus-galli, equisetum arvense, amaranthus blitum, amaranthus retroflexus, elymus repens, lipandra polysperma, amaranthus albus, carex hirta, cirsium arvense, convolvulus arvensis, cynodon dactylon, digitaria sanguinalis, persicaria lapathifolia, ranunculus repens, rumex crispus, scrophularia nodosa, sorghum halepense