digitaria sanguinalis, echinochloa crus-galli, elymus repens, senecio vulgaris, setaria viridis, achillea millefolium, arenaria serpyllifolia, convolvulus arvensis, daucus carota, equisetum arvense, erigeron canadensis, linaria vulgaris, persicaria lapathifolia, rumex crispus, senecio viscosus, setaria pumila, setaria verticillata, stellaria media