solanum tuberosum, amaranthus retroflexus, apera spica-venti, myosotis arvensis, chenopodium album, galinsoga quadriradiata, geranium dissectum, geranium pusillum, ranunculus repens, sonchus asper, stellaria media, trifolium repens, argentina anserina, capsella bursa-pastoris, convolvulus arvensis, echinochloa crus-galli