panicum capillare, amaranthus blitoides, amaranthus crispus, amaranthus deflexus, amaranthus hybridus, atriplex oblongifolia, atriplex patula, atriplex tatarica, chenopodium album, convolvulus arvensis, cynodon dactylon, digitaria sanguinalis, eragrostis minor, erigeron canadensis, fallopia convolvulus, persicaria lapathifolia, polygonum aviculare, setaria verticillata