amaranthus powellii, galinsoga quadriradiata, chenopodium album, digitaria sanguinalis, lipandra polysperma, capsella bursa-pastoris, convolvulus arvensis, echinochloa crus-galli, euphorbia helioscopia, galinsoga parviflora, lamium purpureum, persicaria maculosa, polygonum aviculare, setaria pumila, solanum nigrum, veronica persica