amaranthus powellii, digitaria sanguinalis, galinsoga parviflora, chenopodium album, achillea millefolium, ambrosia artemisiifolia, brassica oleracea, capsella bursa-pastoris, convolvulus arvensis, echinochloa crus-galli, fallopia convolvulus, plantago lanceolata, plantago major, polygonum aviculare, setaria pumila, sonchus asper, veronica persica, vicia cracca