galinsoga parviflora, amaranthus powellii, amaranthus retroflexus, chenopodium album, cirsium arvense, sonchus arvensis, sonchus asper, amaranthus blitum, capsella bursa-pastoris, convolvulus arvensis, digitaria sanguinalis, echinochloa crus-galli, elymus repens, persicaria lapathifolia, persicaria maculosa, polygonum aviculare, senecio vulgaris, setaria pumila, sonchus oleraceus, stellaria media