digitaria sanguinalis, persicaria lapathifolia, persicaria maculosa, amaranthus retroflexus, ambrosia artemisiifolia, capsella bursa-pastoris, chenopodium album, convolvulus arvensis, echinochloa crus-galli, equisetum arvense, erigeron canadensis, plantago lanceolata, polygonum aviculare, scleranthus annuus, stellaria media, vicia sativa