amaranthus blitoides, heliotropium europaeum, portulaca oleracea, setaria viridis, agrostis stolonifera, cynodon dactylon, cyperus rotundus, echinochloa colonum, euphorbia nutans, polygonum aviculare, setaria verticillata, amaranthus graecizans, beta vulgaris, chenopodium vulvaria, convolvulus arvensis, digitaria sanguinalis, galinsoga parviflora, malva sylvestris, medicago polymorpha, medicago scutellata, sorghum halepense