digitaria sanguinalis, equisetum arvense, sherardia arvensis, arenaria serpyllifolia, convolvulus arvensis, euphorbia helioscopia, persicaria maculosa, setaria pumila, achillea virescens, echinochloa crus-galli, erigeron canadensis, legousia speculum-veneris, rumex acetosa, setaria viridis, stellaria graminea, stellaria media, vicia hirsuta