digitaria sanguinalis, galinsoga parviflora, amaranthus hybridus, ambrosia artemisiifolia, echinochloa crus-galli, amaranthus retroflexus, artemisia vulgaris, capsella bursa-pastoris, chenopodium album, convolvulus arvensis, erigeron annuus, erigeron canadensis, plantago major, portulaca oleracea, psammophiliella muralis, robinia pseudoacacia, stellaria media, veronica persica