polygonum aviculare, amaranthus deflexus, bromus catharticus, convolvulus arvensis, euphorbia prostrata, tribulus terrestris, amaranthus retroflexus, digitaria sanguinalis, dittrichia viscosa, helminthotheca echioides, beta vulgaris, capsella rubella, chenopodium album, cichorium intybus, crepis bursifolia, cyperus eragrostis, echium vulgare, erigeron bonariensis, hypochaeris radicata, malva sylvestris, picris hieracioides, portulaca oleracea, rumex crispus, setaria verticillata, trifolium pratense